【Best Combination】: There are a total of 580 pieces 304 stainless steel flat washers in 9 sizes: M2 M2.5 M3 M4 M5 M6 M8 M10 M12. These sizes contain almost the 9 most commonly used sizes in our life. | 【Top 304 Stainless Steel】: LuKaiSen flat washers is made of top 304 stainless steel which has the advantages of high hardness, corrosion resistance and rust resistance. | 【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.

【High-Quality Screws】- All computer screws are made of high-quality carbon steel, with clear threads and accurate dimensions. The surface of the computer screws is zinc-plated for high brightness, good color and rust resistance for long-term use. Each product is tested more than 5 times before sale to ensure firm installation when used. | 【Most Popular Sizes】- LuKaiSen 350 PCS Computer Screw Assortment Kits professional includes 2 most popular sizes of brass standoff screw (M3x6+6 & M3x6+#6-32x4). The different screws can meet your different needs. These kits can be applied to 99.9% of computer cases. You no longer need to worry about the mismatch of the standoff screws you bought. | 【Best Computer Screws Kit】- LuKaiSen computer screw kits include 350pcs computer screws & gaskets (chassis fans screw kits, chassis screw kits, hard drive screw kits, standoffs screw kits, CD-ROM screw kits, 2.5’’SSD screw kits, chassis hand twist screw kits, main board screw kits, insulation gaskets). Completely re-engineered to provide all the tools that you need, and none that you don't. | 【Great for PC Screws Building & Repair】- LuKaiSen PC screws assortment kits is the best and perfect for the motherboard, SSD, hard drive mounting, computer case, power supply, graphics, computer fan, CD-ROM drives, DIY PC fixed installation or repair. Whether you are a professional or amateur in the IT world, you can easily use these PC screw assortment kits to repair or DIY computers and laptops. | 【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!!!

【Most Popular Standoff Sizes】 - LuKaiSen 350PCS computer screw kits professional includes 2 most popular sizes of brass standoffs screw (M3x6+6 & M3x6+#6-32x4). It can be applied to 99.9% computer case. You no longer need to worry about the mismatch of the brass standoffs screws you bought. | 【Best Combination】- LuKaiSen computer screw kits includes 350pcs computer screws & gaskets (chassis fans screw kits, chassis screw kits, hard drive screw kits, standoffs screw kits, CD-ROM screw kit, 2.5’’ SSD screw kits, chassis hand twist screw kits, main board screw kits, insulation gaskets). Completely re-engineered to provide all the tools that you need, and none that you don't. | 【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.

【High Quality Material】- The surface of the M.2 laptop screw is nickel-plated, bright, burr-free and rust-proof for long-term use. So it can be installed on ASUS, GIGABYTE and MSI motherboards with M2 driver to help you effectively fix or modify them. | 【Perfect Laptop Screw Kit】- You can get 633 pcs of 16 kinds of laptop screws: 4 popular studs for mounting M.2 SSDs, 2 kinds of M.2 screws and 10 common flat-head notebook screws. The kit also comes with a free Cr-V strong magnetic screwdriver, you don't need to purchase extra. The head of screwdriver has strong magnetism, so you can easily handle tiny screws. All these sizes can meet your various needs in daily life and work. | 【Wide Range of Applications】- LuKaiSen M.2 Laptop Screw Kit is a must-have for the PC technician or IT engineer in their daily work. Perfect for repairing laptops, SSD, hard drives, fans, motherboards and other internal components.Compatible with Dell/Lenovo/Samsung/IBM/HP/Gateway/MSI/Alien/Acer/Sony/Toshiba | 【Exquisite Storage Box】- To prevent you from receiving a broken box, we have reinforced and upgraded the box. We know how painful it is to have all the tiny screws mixed up and organize them, so we packaged each size of screw in individual plastic bag and put it in a separate grid for you to store and carry. And each grid is marked with a size label to ensure that you can easily find the size you need when it comes time to repair. | 【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!!!

【High-Quality M.2 Laptop Screws】- The laptop screws are made of high-quality carbon steel with a zinc-plated surface for high brightness, good color and rust resistance to prevent the screws from loosening, so you don't have to worry about the laptop case screws loosening again. So it can be used for installation on ASUS, Gigabyte and MSI motherboards and help you repair or modify them efficiently. | 【Perfect Laptop Screw Kit】- You can get 633 pieces of 16 different types of laptop screw kits, including 4 types of mainstream M.2 SSD mounting studs, 2 types of M.2 screws and 10 mainstream flat-head laptop screws. The kit also comes with a free CRV magnetic screwdriver, so you don't need to purchase it separately. The screwdriver heads with strong magnetism allow you to handle tiny screws with ease. The understated black color hides them in your laptop without sticking out. | 【Wide Range of Applications】- LuKaiSen M.2 Laptop Screw Kit is a must-have for the PC technician or IT engineer in their daily work. The kit is perfect for repairing Dell/Lenovo/Samsung/IBM/HP/Gateway/MSI/Alien/Acer/Sony/Toshiba/laptop computers/SSD/hard drive/fan/motherboard and other internal components compatible with laptops. | 【Exquisite Storage Box & Clear Labels】- To prevent you from receiving a broken box, we have reinforced and upgraded the box. We know how painful it is to have all the tiny screws mixed up and organize them, so we packaged each size screw in individual plastic wrap and put it in a separate grid for you to store and carry. Each grid is marked to indicate the type of screw, making it easy to find the different types of screws when repairing. | 【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!!!