Features Comprehensive Set: Includes 280 half round head hex socket screws, 300 nuts, 300 washers, and 4 hex wrenches, fulfilling various daily needs. Versatile Specification: Featuring M2, M3, M4, M5 screws with lengths of 8mm, 12mm, 16mm, and 20mm, catering to diverse project requirements. Premium Stainless Steel: Crafted from resilient 304 stainless steel, offering resistance, high toughness, and durability for long-term use. Secure Connection: Exhibits elasticity and load resistance, ensuring tight connections and preventing loosening for reliable performance. and Reliable: Designed for repeated use, maintaining shape and color, while resisting deformation and bending, ensuring a prolonged lifespan. Specification: Item Type: Screw Nut Washer Wrench Kit Material: 304 Stainless Steel Package List: 45 x M5 Washer 45 x M4 Washer 85 x M3 Washer 125 x M2 Washer 45 x M5 Nut 45 x M4 Nut 85 x M3 Nut 125 x M2 Nut 10 x M5X20 screw 10 x M4X20 screw 20 x M3X20 screw 30 x M2X20 screw 10 x M5X16 screw 10 x M4X16 screw 20 x M3X16 screw 30 x M2X16 screw 10 x M5X12 screw 10 x M4X12 screw 20 x M3X12 screw 30 x M2X12 screw 10 x M5X8 screw 10 x M4X8 screw 20 x M3X8 screw 30 x M2X8 screw 4 x Hex Wrench 1 x Storage Box Package List 45 x M5 Washer 45 x M4 Washer 85 x M3 Washer 125 x M2 Washer 45 x M5 Nut 45 x M4 Nut 85 x M3 Nut 125 x M2 Nut 10 x M5X20 screw 10 x M4X20 screw 20 x M3X20 screw 30 x M2X20 screw 10 x M5X16 screw 10 x M4X16 screw 20 x M3X16 screw 30 x M2X16 screw 10 x M5X12 screw 10 x M4X12 screw 20 x M3X12 screw 30 x M2X12 screw 10 x M5X8 screw 10 x M4X8 screw 20 x M3X8 screw 30 x M2X8 screw 4 x Hex Wrench 1 x Storage Box