Industrial & Scientific From LuKaiSen on Amazon

【Exquisite Storage Box】: We want our customers to be simple and clear every time they use fender washer, so we put 15 sizes fender washer in 15 grids and each grid is marked with size label. Convenient and efficient.

【Widely Application】: These large OD flat washer are suitable for both indoor and outdoor use. Perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection. You can even DIY it into a necklace.

【The Best Products, The Best Service】: You are fully covered by our 1 YEAR WARRANTY and 30 DAYS RETURN GUARANTEE, all you need to do is contact us directly at our customer support. If you are not satisfied with anything, please feel free to contact us and we will serve you immediately.

【Exquisite Storage Box】: We want our customers to be simple and clear every time they use flat washers, so we put 9 sizes flat washers in 9 grids and each grid is marked with size label.

【Widely Application】: Suitable for interior decoration, outdoor construction, electrical maintenance and furniture repair. Ideal for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.

【The Best Products, The Best Service】: You are fully covered by our 1 YEAR WARRANTY and 30 DAYS RETURN GUARANTEE, all you need to do is contact us directly at our customer support. If you are not satisfied with anything, please feel free to contact us and we will serve you immediately.

【Exquisite Storage Case】 - We want our customers to be simple and clear every time they use rivet nut, so we put 6 sizes rivet nut in 6 grids and each grid is marked with size label. These rivnuts kit is lightweight, very convenient to carry on.

【Wide Range of Uses】 – Widely used in automotive, furniture, decoration, electrical and industrial products, suitable for a variety of occasions, it can be used in air conditioning, fire fighting, gas, etc and can also be used in medicine beverage food chemical industry and metal sheets.

【100% SATISFACTION GUARANTEE】 - Quality problems occur within 1 year replacement, lifetime warranty, if you're not completely satisfied, please feel free to CONTACT US and we will give you a 100% refund within 30 days of purchase. No questions asked!!

【Exquisite Storage Box】– To prevent you from receiving a broken box, we have reinforced and upgraded the box. The storage box has multiple grids, each size is placed in a separate grid for you to store and carry. At the same time, each grid is marked with a size label, so you can quickly find the size you need.

【Popular Widely Application】– In order to make it easy for you to use, we provide 6 related wrenches in our set for free, so you no longer need to purchase extra. The set screw assortment is often used in store decoration, garage decoration, home decoration and ordnance repair, etc.

【100% Satisfaction Guarantee】– Quality problems within a 1-Year replacement, lifetime warranty. If you are not completely satisfied, please feel free to contact us, we will give you a 100% refund within 30 days of purchase. No questions asked!!!

【Wide Application】– LuKaiSen PC screw assortment kits is the best partner to DIY computer. Perfect for PC case, power supply, motherboard, hard drives, fan and floppy/CD-ROM/DVD-ROM drives fixed installation. Whatever you are a professional or amateur in the IT world, you can easily use this PC screw assortment kits to repair or DIY computers and laptops. They are placed in a box, easy to find and use!

【High Quality Material】 – All computer screws are made of high quality brass, steel and fiber paper, steel with nickel and black zinc plated which have superior rust resistance and excellent oxidation resistance. Each product has been tested more than 5 times before being sold.

【The Best Products, The Best Service】: You are fully covered by our 1 YEAR WARRANTY and 30 DAYS RETURN GUARANTEE, all you need to do is contact us directly at our customer support. If you are not satisfied with anything, please feel free to contact us and we will serve you immediately.

【Excellent Storage Box】– We want our customers to receive perfect products, so we have upgraded and reinforced the box. No product mix-ups as each size and grid of the product is matched 1:1 in the sturdy storage box.

【Wide Application】– Our products can quickly and easily cope with the repair and installation of many occasions, such as machinery, instruments, electronic products, household appliances, communication products, locks, lamps, lighting and toys.

【100% Satisfaction Guarantee】– We have a 1-year quality problems package replacement, lifetime warranty, if you are not completely satisfied, please feel free to contact us, we will give you 100% refund within 30 days of purchase. No questions asked !!!

【Strengthened Packaging】- We want the box delivered to you to be perfect, so we have strengthened the ruggedness of the box. Each model of drill screw is placed inside a compartment and clearly labeled, making it easy for you to use and store at all times.

【Widely Applications】- The self-tapping screw assortment can be used extensively in daily decoration and furniture installation. It allows the joining and fixing of two pieces of material without pre-drilling, and it can even be used to join thin metal to thin metal. Therefore, it is commonly used for fixing and joining thin metal, wood, furniture, plastic and other materials.

【The Best Service】- We provide you with a 1-year warranty and a 30-day return guarantee, all you need to do is to contact our customer support directly. If you have any dissatisfaction, please feel free to contact us and we will serve you immediately.