Why Choose LuKaiSen 633pcs Laptop Screws, M.2 Screw Kit M2 M2.5 M3 Notebook Computer Screw Kit Set? About LuKaiSen M.2 Laptop Screws Kit - The Most Common Used Size: After our research, we have selected the 16 most commonly used screw sizes, which are 4 popular studs for M. 2 SSD mounting, the 2 types of M.2 screws and of 10 mainstream flat head laptops screws. - Special Processesl: M.2 laptop screw surface is galvanized, smooth, burr-free, rust-proof, and can be used for a long time. - High-Quality Screwdriver: We don't just free screwdrivers, we offer the best quality screwdrivers. The high-strength CRV material and super magnetic suction screwdriver help you easily install tiny screws. M.2 Screw Kit Specifications: -- Color: Black. -- Quality: 633 Pieces. -- Weight: 0.55lb. -- Head Style: Flat. -- Process: Zinc -plated Surface, Bright & Anti-rust. -- Material: Carbon Steel, Zinc -plated Surface. -- Includes Screw Driver: A free CRV Magnetic Screwdriver. -- Mainstream Screw: M.2 SSD mounting studs, 2 types of M.2 screws and 10 mainstream flat-head laptop screws. What You Get: -- 8pcs ASUS M.2 Standoffs M2 x 3+2.5 -- 8pcs ASUS M.2 Standoffs M2 x 3+4.5 -- 8pcs MSI M.2 Standoffs M3 x 6+3 -- 8pcs Gigabyte M.2 Standoffs M2 x 6+4 -- 50pcs M.2 Screw M2 x 2.5 -- 50pcs M.2 Screw M3 x 3 -- 50pcs M2 x 4 -- 50pcs M2 x 5 -- 50pcs M2 x 6 -- 50pcs M2 x 8 -- 50pcs M2.5 x 4 -- 50pcs M2.5 x 5 -- 50pcs M2.5 x 6 -- 50pcs M2.5 x 8 -- 50pcs M3 x 4 -- 50pcs M3 x 6 -- 1pcs CRV Magnetic Screwdriver -- 1pc Storage Box -- 1-Year Manufacturer's Warranty and 30 Days No-Questions-Asked Return Policy -- NOTE: Please check the size carefully before purchasing, thanks for your support.