Features 1、Corrosion Resistant: These screw nuts and washers have good corrosion resistance and are not easy to rust, and can exert the most stable fixing ability indoors and outdoors. 2、High Hardness: The kit is made of 304 stainless steel, which has good toughness, high hardness, strong and durable, and is not easy to deform or bend. 3、Reusable Kit: The kit can be used repeatedly, retains its color and shape after prolonged use, is very functional and durable. 4、Not Easy to Loosen: The screw, nut and washer have certain elasticity and load, which can prevent shock and avoid loosening. 5、A Set of 1220PCS: There are a total of 1220PCS screws, nuts and washers in the set, and it is equipped with a storage box, which can be used for a long time. Specification Item Type: 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 M5X20 Screw 20 x M4X20 Screw 30 x M3X20 Screw 30 x M2X20 Screw 10 x M5X16 Screw 20 x M4X16 Screw 30 x M3X16 Screw 30 x M2X16 Screw 15 x M5X12 Screw 20 x M4X12 Screw 30 x M3X12 Screw 30 x M2X12 Screw 15 x M5X8 Screw 20 x M4X8 Screw 30 x M3X8 Screw 30 x M2X8 Screw 1 x Storage Box