Best Threading Dies (Aug. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Century Drill & Tool 98509 1" Hex Die Stock, ProGrade Twist-Lock Design, High...

9.8
CPR Score
Top 2

60-Pc Master Tap and Die Set - Include SAE Inch Size #4 to 1/2” and Metric Si...

9.8
CPR Score
Top 3

Anfrere Brass Coated 80pcs SAE & Metric Tap and Die Set, Metric Standard Reth...

9.7
CPR Score
Tips


Our team has analyzed 306 products of different Cutting Tools, Power & Hand Tools brands, including IRWIN, uxcell, Drill America, EFFICERE, Century Drill & Tool And MOTOKU. The following list of top 30 Threading Dies is prepared for the customers by analyzing 306 Threading Dies reviews and comparing different features. 

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Threading Dies Rated by CherryPicks

Market Overview
Threading Dies Reviewed
  • Reviews Analyzed: 7,385 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $194.99
  • Lowest Price: $3.99
  • Avg. Price: $47.64
Price Disclaimer

Top 30 Threading Dies on Amazon (Verified You can Buy)

Century Drill & Tool 98509 1" Hex Die Stock, ProGrade Twist-Lock Design, High Carbon Steel for Clean, Accurate Threading, Ergonomic Handles

Century Drill & Tool
98509
13.65 x 3.3 x 1.1 Inches

Ratings for Century Drill & Tool (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
DK Hardware Supply 5,627

Features

Twist-Lock Mechanism for Secure Fit: This ProGrade 1" Hex Die Stock features a twist-to-lock design that holds dies firmly in place for clean, precise threading without the need for set screws
High Carbon Steel Construction: Built from high-quality, heat-treated carbon steel, this die stock is designed for long-lasting durability and reliable performance in hand threading applications
Show More

60-Pc Master Tap and Die Set - Include SAE Inch Size #4 to 1/2” and Metric Size M3 to M12, Coarse and Fine Threads | Essential Threading Rethreading Tool Kit with Complete Accessories and Storage Case

EFFICERE

Ratings for EFFICERE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Efficere Tools 5,131

Features

▲ PREMIUM MATERIAL AND DURABILITY - Industrial grade GCr15 bearing steel construction ensures durability and tool longevity to withstand professional uses
▲ EXCELLENT CUTTING PERFORMANCE - All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance
Show More
Top 3

Anfrere Brass Coated 80pcs SAE & Metric Tap and Die Set, Metric Standard Rethreading Tool Kit, Coarse and Fine Threads for Cutting External and Internal Threads, Essential Repair Tool Kit with Case

Anfrere
TDK-IM80GD
12.4 x 7.76 x 1.5 inches
5.73 pounds

Ratings for Anfrere (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TOOLCOX INC -

Features

CONTAINS -- 17 metric M3-M12 taps and 17 SAE taps, 17 metric M3-M12 dies and 17 SAE dies, 2 die wrenches, 2 tap wrenches, 2 T-handle tap wrenches, 2 screwdrivers, 1 SAE thread gauge and 1 metric thread gauge
RETHREADING SET -- Professional standard and metric tap die rethread tool kit for cutting or updating of internal and external threads on fasteners or fastener holes. The taps can also be used to remove broken screws
Show More

uxcell Round Threading Dies, Metric M2 x 0.4 Thread (Right Hand), High Speed Steel (HSS) Screw Cutting Die Repair Tool

uxcell

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

Round Threading Die: Thread size: M2 x 0.4 (right hand); outside diameter: 16mm / 0.63"; thickness: 5mm / 0.2"; accuracy class: 6g. Made of M2 (6542) high-speed steel, it has high hardness, good toughness, wear resistance, and excellent cutting performance.
Wide Applications: Round dies can process, correct or clean the external threads, and is used for ordinary thread processing of stainless steel, aluminum alloy, cast iron, copper, iron, aluminum, plastic. Great for maintenance and repair work on pipes, boards and machinery.
Show More

uxcell Die Stock Handle Wrench Set, 1/2-28 UNEF Threading Die and 38mm (1-1/2") Holder (Fits: 26mm-38mm OD / M12-M16 Round Dies) Adjustable for Bolt Thread Repair

uxcell
a20102800ux0101

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

Die & Wrench Set: Die Wrench: 38mm x 14mm die stock fits 26mm-38mm outside diameter die / M12-M16 thread die, with 5 adjustable screws Round Die: 1/2-28 UNEF threading die with 38mm outside diameter. Die stock, also called die handle or die wrench, are use in round dies only.
Application: The die handle wrench set can help to process, correct, clean male threads, or repair damaged bolts and threads, or just remove bolts and threaded rod. Great for re-threading existing threads in hard materials like metal, or making new threads in soft material like plastic.
Show More
Top 6

RIDGID 47765 Threading Machine Dies, Right-Handed High-Speed NPT Pipe Dies with Nominal Pipe Size of 1/2-Inch to 3/4-Inch for Universal Die Heads , Red

RIDGID
47765
4.8031 x 4.8031 x 0.7874 inches
1.433 pounds

Ratings for RIDGID (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Empire Rigging & Supply -
B2E Surplus LLC -
AmericanProducersSupply -
LEX WHOLESALE -
EDUARD LLC -
Southern Connect -
Amazon.com -

Features

Fits RIDGID NPT universal machine die heads 504A, 711, 713, 811A, 815A, 816, 817 and 842
High-Speed threading die for stainless steel
Show More
Top 7

Kolvoii 52-Piece Large Metric Tap and Die Set, M6 to M24 Coarse and Fine Threads, Heavy-Duty GCr15 Steel Thread Repair & Rethreading Tool Kit for Internal & External Threads

Kolvoii
US-K105

Ratings for Kolvoii (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Kolvoii Direct Store -

Features

Large-Size Metric Thread Coverage: 52-piece metric tap and die set covering M6×0.75 to M24×3.0 in coarse and fine threads. Designed for cutting new threads, repairing stripped holes, and restoring large bolts in engines and machinery
Industrial-Grade GCr15 Bearing Steel (60 HRC): Heat-treated GCr15 steel delivers high wear resistance and torque strength. Maintains cutting accuracy under load without deformation, even during repeated rethreading tasks
Show More

86-Piece Master Tap and Hex Die Set, Premium Titanium Coating | SAE Size #4 to 5/8”, Metric Size M3 to M16 | For All Coarse, Fine, Pipe Threads | Complete with Holders, Stocks, Gauges and Metal Case

EFFICERE
PT-009
14.9 x 10.9 x 2.2 inches

Ratings for EFFICERE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Efficere Tools 5,131

Features

[ALL-IN-ONE SET]: This is a master tap & die set that includes a full range of SAE standard and Metric sizes from small to large with both coarse and fine teeth, designed for all kinds of internal and external threading, rethreading, or thread repairs jobs
[PREMIUM MATERIAL AND COATING]: Industrial grade high speed steel (HSS) construction with unique titanium coating provides maximum strength and lasts 3 times longer than normal ground finished tap die for rust and corrosion prevention
Show More
Top 9

uxcell 10-32 UNF Round Die, Machine Thread Right Hand Threading Die, Alloy Tool Steel Screw Thread Cutting Die, 2pcs

uxcell
a19050800ux0955
0.0006 pounds

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

Round Die: Thread size: 10-32 UNF; outside diameter (OD): 20mm / 0.8"; Thickness: 7mm / 0.28"; accuracy class: 6g. Made of alloy tool steel, hardness, high torque, good toughness and wear-resistance.
Applications: Can process, correct or clean the external threads. Suitable for general purpose threading in stainless steel, aluminum alloy, cast iron, copper, iron, aluminum, plastic, etc.. Great for maintenance and repair work on pipes, boards and machinery.
Show More

1/2"-20 UNF Hex Die Rethreading Die Thread Die Carton Steel Right Hand

Kaimex
gzd-unf-1-2-20
1.0 x 1.0 x 0.5 inches

Ratings for Kaimex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hiBay -
SZDEFACE -

Features

High-Quality Alloy Steel for Maximum Durability – Made from industrial-grade GCr15 alloy steel, this hex die ensures excellent hardness, corrosion resistance, and long-term performance for external thread cutting and repair.
Right-Hand Thread Repair for Smooth Functionality – Designed for right-hand threading, this tool restores and repairs damaged external threads with high precision, ensuring a secure fit for bolts and screws.
Show More

Drill America 3/4"-11-1/2 2" OD HSS NGH Garden Hose Round Die with Matching Die Handle (Wrench), Die Stock

Drill America

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Amazon Resale -

Features

For use in making new threads or re-threading existing threads
Good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More

uxcell Round Threading Die M14 x 1.0 Metric Thread Left Hand Screw Cutting Fixed Dies, Alloy Tool Steel Tapping Repair Tool

uxcell

Ratings for uxcell (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
uxcell 31

Features

Round Threading Die: Metric thread size: M14 x 1.0 (left hand); outside diameter (OD): 38mm / 1.5"; Thickness: 10mm / 0.39"; accuracy class: 6g. Made of alloy steel, high hardness, high torque, good toughness and wear-resistance for long service life.
Applications: Can process, correct or clean the external threads. Suitable for general purpose threading in stainless steel, aluminum alloy, cast iron, copper, iron, aluminum, plastic, etc.. Great for maintenance and repair work on pipes, boards and machinery.
Show More

Century Drill & Tool 98511 Adjustable Self-Centering Die Stock, 1" Steel, Locks Hex & Round Dies, Heavy Duty, Professional Threading Tool

Century Drill & Tool
98511
9.375 x 1.625 x 1.0 inches
0.35 pounds

Ratings for Century Drill & Tool (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Everhaven Goods ✅ -
Suppliers Ylcar -

Features

Accurate Threading Every Time: The adjustable self-centering die stock maintains alignment, ensuring accurate threading with minimal effort. Ideal for both professional and DIY threading tasks
Secure Die Locking: This die stock locks both hex and round dies securely in place with a set screw, ensuring precise pressure application during threading for clean, smooth threads
Show More
Top 14

NPT Pipe Die Set 6 Piece Die Set Carbon Steel 1/8"-27 1/4"-18 3/8"-18 1/2"-14 3/4"-14 1"-11 1/2

BRNEWKITS
DWTHXNPT-SET

Ratings for BRNEWKITS (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
BRNEWKITS-Auto -

Features

Package Included: 6 x Carbon Steel NPT Hex Die Set ; 1 x Practical Tool BoX
Crafted from high-quality materials: This 6-piece NPT pipe thread die set is made of premium carbon steel, featuring excellent hardness and wear-resistance. It can withstand high-intensity usage and friction, ensuring precise thread machining results over the long term and providing reliable and durable performance assurance
Show More

UNF Hex Right Hand Rethreading Die 3/8"-24

Kaimex
gzd-unf-3-8-24
1.0 x 1.0 x 0.5 Inches

Ratings for Kaimex (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hiBay -
SZDEFACE -

Features

High-Quality Alloy Steel for Maximum Durability – Made from industrial-grade GCr15 alloy steel, this hex die ensures excellent hardness, corrosion resistance, and long-term performance for external thread cutting and repair.
Right-Hand Thread Repair for Smooth Functionality – Designed for right-hand threading, this tool restores and repairs damaged external threads with high precision, ensuring a secure fit for bolts and screws.
Show More
Top 16

Pipe Thread Die, 3/4 In, HSS, 4 Pc

RIDGID
37875
5.25 x 3.55 x 0.8 inches
0.15 pounds

Ratings for RIDGID (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Power Tools and Accessories
Country of manufacture: United States
Show More
Top 17

Hexagon Machine Screw Die, National Fine, #10 x 32

IRWIN
9331
6.25 x 1.75 x 0.67 inches
0.09 pounds

Ratings for IRWIN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Dave's_Warehouse -
Butler Online Stores -

Features

Hex Die
Top 18

Drill America - DWTMHX30X2 m30 X 2 Carbon Steel Hex Rethreading Die, DWT Series

Drill America
DWTMHX30X2
6.0 x 4.0 x 2.0 inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Made of carbon steel
Right-hand cut tools have a cutting action that engages when they are run in a clockwise direction
Show More

Npt Pipe Die Hex Die Carbon Steel Rethreading Die 1/2-14

Yamesh
x-n-die-1-2
2.0 x 2.0 x 2.0 inches

Ratings for Yamesh (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yamesh -

Features

Made of Carbon Steel
For Right Hand Use
Show More
Top 20

Century Drill & Tool, 98215, 3/4-10 NC, Hex Die, Precision Cut External Threads, High Carbon Alloy Steel

Century Drill & Tool
98215
1.4375 x 1.4375 x 0.5 Inches
0.15 pounds

Ratings for Century Drill & Tool (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Precision-Cut External Threads: These dies feature precision-cut external threads, ensuring consistent and exact threading every time, making them ideal for projects requiring high levels of accuracy
Heat-Treated and Tempered for Durability: Each die is heat-treated and tempered to create file-hard threads, significantly extending the tool's useful life and ensuring long-lasting performance
Show More
Top 21

Npt Pipe Die Hex Die Carbon Steel Rethreading Die 1/4-18

Yamesh
x-n-die-1-4
2.0 x 2.0 x 2.0 Inches

Ratings for Yamesh (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yamesh -

Features

Made of Carbon Steel
For Right Hand Use
Show More
Top 22

Century Drill & Tool 96204 Carbon Steel Die, 5/16-24NF

Century Drill & Tool
96204
1.0 x 1.0 x 0.25 Inches
0.06 pounds

Ratings for Century Drill & Tool (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

1" Across Flats
Heat treated and tempered high-carbon steel die.
Show More
Top 23

Irwin Tools 9434 Round Fractional Hex Die

IRWIN
9434
57.5 x 1.5 x 0.5 Inches
0.05 pounds

Ratings for IRWIN (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Butler Online Stores -
Amazon.com -
ThrilloftheHunt -

Features

Product Type :Tools
Package Dimensions :1.1 cm L X4.1 cm W X14.6 cm H
Show More

38mm 1.5" Heavy Duty Die Handle Round Die Stock Handle Wrench Holder 1 1/2 OD Non Slip

MOTOKU
'38mm 1.5inch'

Ratings for MOTOKU (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
MOTOKU 2,953

Features

Compatible with: 1.5" or 38mm round die
Material: steel
Show More

Drill America 3/8"-16 UNC X 1" OD HSS Round Adjustable Die with Matching Die Handle (Wrench), Die Stock

Drill America

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

For use in making new threads or re-threading existing threads
Good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More
Top 26

Drill America 1-1/2"-12 Carbon Steel Hex Rethreading Die, DWT Series

Drill America
DWTHX11212
6.0 x 4.0 x 2.0 inches

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Made of carbon steel
Right-hand cut tools have a cutting action that engages when they are run in a clockwise direction
Show More
Top 27

Npt Pipe Die Hex Die Carbon Steel Rethreading Die 1"-11 1/2

Yamesh
x-n-die-1x
2.0 x 2.0 x 2.0 Inches

Ratings for Yamesh (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yamesh -

Features

Made of Carbon Steel
For Right Hand Use
Show More

Drill America 1/4"-20 UNC X 1" OD HSS Round Adjustable Die with Matching Die Handle (Wrench), Die Stock

Drill America

Ratings for Drill America (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

For use in making new threads or re-threading existing threads
Good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Show More

Century Drill & Tool 96205 High Carbon Steel Fractional Hexagon Die, 3/8-16 NC

Century Drill & Tool
96205
1.0 x 1.0 x 0.25 inches
0.04 Pounds

Ratings for Century Drill & Tool (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

1" Across Flats
Heat treated and tempered high-carbon steel die.
Show More

BOSCH BHD38F16 3/8 In. - 16 High-Carbon Steel Fractional Hex Die

Bosch
BHD38F16
0.39 x 1.77 x 5.84 inches
0.07 pounds

Ratings for Bosch (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Dies – engineered for cutting right-hand external threads; commonly used for threading rods, bolts, and studs
Heat-treated carbon steel – provides superior durability and speed
Show More

Top 10 Threading Dies - Verified to Buy (August 2026)

Top 10 Threading Dies Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Century Drill & Tool
  • EFFICERE
  • Anfrere
  • uxcell
  • RIDGID
  • Kolvoii
  • Kaimex
  • Drill America
  • BRNEWKITS
  • IRWIN

Top 10 Threading Dies Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 uxcell 560,722 4.8
🥈 MOTOKU 20,855 4.9
🥉 Efficere Tools 12,815 4.9
4 DK Hardware Supply 11,805 4.5
5 Empire Rigging & Supply 4,831 4.0
6 Butler Online Stores 3,957 4.9
7 Dave's_Warehouse 2,885 4.8
8 ThrilloftheHunt 853 4.9
9 TOOLCOX INC 666 4.9
10 AmericanProducersSupply 559 4.6
View or download top Threading Dies seller & rating report
uxcell [560722] MOTOKU [20855] Efficere Tools [12815] DK Hardware Supply [11805] Empire Rigging & Supply [4831] Butler Online Stores [3957] Dave's_Warehouse [2885] ThrilloftheHunt [853] TOOLCOX INC [666] AmericanProducersSupply [559] uxcell 90% MOTOKU 3% Efficere Tools 2% DK Hardware Supply 2% Empire Rigging & Supply 1% Butler Online Stores 1% Dave's_Warehouse 0% ThrilloftheHunt 0% TOOLCOX INC 0% AmericanProducersSupply 0%

[Get] Threading Dies Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Threading Dies Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Cutting Tools, Power & Hand Tools supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Threading Dies to buy for new August 2026?

CherryPicks’s Methodology for Evaluating Threading Dies

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Cutting Tools, Power & Hand Tools items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Threading Dies reviews based on our selection criteria. It helped us shortlist the top qualified and rated Threading Dies for Cutting Tools, Power & Hand Tools, We found that most customers choose Threading Dies with an average price of $47.64, and the top brands are IRWIN, uxcell, Drill America, EFFICERE, Century Drill & Tool And MOTOKU

Then our expert-level editors reviewed all those quality items and selected the top 30 Threading Dies for you, We have researched hundreds of sellers and picked the top sellers for Cutting Tools, Power & Hand Tools, including Amazon Resale, uxcell, MOTOKU, Efficere Tools, DK Hardware Supply, Empire Rigging & Supply, Butler Online Stores, Dave's_Warehouse, ThrilloftheHunt, TOOLCOX INC, AmericanProducersSupply And Southern Connect. The Century Drill & Tool 98509 1" Hex Die Stock, Pr... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 10 consumers with an average rating of 4.1.

We've helped a lot of satisfied users get the right Industrial & Scientific, Tools & Home Improvement product based on their needs, and save lots of time for them to pick Threading Dies to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.