Features Corrosion and Rust Resistance: Made of 304 stainless steel, the screws offer exceptional corrosion and rust resistance, ensuring durability and longevity for various applications. 1220Pcs Assortment: With a generous 1220Pcs assortment of different sizes, this kit is designed for long-term use, providing versatility for multiple projects and repairs. Precision Craftsmanship: Featuring standard sizing, clear threading, and smooth appearance, these screws are designed to resist deformation and slipping, ensuring reliable support during installation. Convenient Storage: All parts are neatly organized in a plastic case, making it easy to carry and access the kit, providing convenience for various projects and on-the-go repairs. Versatile Application: Suitable for various precision machinery, electronic products, household appliances, and more, these screws offer wide-ranging compatibility for diverse needs. Specification: Item Type: Hex Socket Screw Nut Washer Kit Material: 304 Stainless Steel Package List: 50 x M5 Nut 90 x M4 Nut 140 x M3 Nut 140 x M2 Nut 60 x M5 Washer 90 x M4 Washer 140 x M3 Washer 140 x M2 Washer 10 x M5 x 20 Screw 20 x M4 x 20 Screw 30 x M3 x 20 Screw 30 x M2 x 20 Screw 10 x M5 x 16 Screw 20 x M4 x 16 Screw 30 x M3 x 16 Screw 30 x M2 x 16 Screw 15 x M5 x 12 Screw 20 x M4 x 12 Screw 30 x M3 x 12 Screw 30 x M2 x 12 Screw 15 x M5 x 8 Screw 20 x M4 x 8 Screw 30 x M3 x 8 Screw 30 x M2 x 8 Screw 1 x Storage Box Package List 50 x M5 Nut 90 x M4 Nut 140 x M3 Nut 140 x M2 Nut 60 x M5 Washer 90 x M4 Washer 140 x M3 Washer 140 x M2 Washer 10 x M5 x 20 Screw 20 x M4 x 20 Screw 30 x M3 x 20 Screw 30 x M2 x 20 Screw 10 x M5 x 16 Screw 20 x M4 x 16 Screw 30 x M3 x 16 Screw 30 x M2 x 16 Screw 15 x M5 x 12 Screw 20 x M4 x 12 Screw 30 x M3 x 12 Screw 30 x M2 x 12 Screw 15 x M5 x 8 Screw 20 x M4 x 8 Screw 30 x M3 x 8 Screw 30 x M2 x 8 Screw 1 x Storage Box