Features 1、Kit Contents: This kit contains various screws, nuts and spacers for M2, M3, M4 and M5, and comes with a hex wrench and storage box. 2、No Deformation: Tight and uniform threads are less likely to deform and slide during rolling and installation, allowing you to work more smoothly and improve efficiency. 3、Clear Threads: Accurate design provides maximum tightness. Standard production, slick appearance, clear threads, uniform and burr free, easy to install. 4、304 Stainless Steel: Our sets are made of nice 304 stainless steel, with fine workmanship, high strength and great corrosion resistance in harsh environments such as high temperature, cold and high humidity. 5、Easy to Carry: As mentioned before, the storage box included in the set keeps all the screws, nuts and washers neatly organized, so it is easy to carry around and great to put into use. Specification Item Type: Screw Nut Washer Assortment Kit Material: 304 stainless steel Color: Silver Use: Widely used in various accuracy machinery, sorting instruments, meters, electronic products, household appliances, communication products, locks, lamps, lanterns, toys, etc. Package List 125 x M2 Washers 125 x M2 Nuts 30 x M2x20mm Screws 30 x M2x16mm Screws 30 x M2x12mm Screws 30 x M2x8mm Screws 85 x M3 Washers 85 x M3 Nuts 20 x M3x20mm Screws 20 x M3x16mm Screws 20 x M3x12mm Screws 20 x M3x8mm Screws 45 x M4 Washers 45 x M4x Nuts 10 x M4x20mm Screws 10 x M4x16mm Screws 10 x M4x12mm Screws 10 x M4x8mm Screws 45 x M5 Washers 45 x M5 Nuts 10 x M5x20mm Screws 10 x M5x16mm Screws 10 x M5x12mm Screws 10 x M5x8mm Screws 1 x Storage Box