Size Name:Large Specifications: <1> Size: M2 M3 M4 <2> Package Quantity: 1200Pcs <3> Material: 304 Stainless Steel <4>Screws Type: Hex Socket Head Cap Screws Feature: 1, Made of high quality 304 stainless steel, which is characterized by its rigid strength as well as its corrosion resistance. This type of steel is able to withstand bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and oxidation resistance, which ensures long time using. 2, All bolts and nuts are packed in a high quality and portable plastic box with specification label. It offers a sturdy lock that holds the lid of the box tightly to prevent unexpectedly overturn or spillage of the contents. With this portable plastic box, it is easy for you to organize and storage these small bolts and nuts. Thus you can find them quickly and improve your work efficiency Package included： M2 Hex wrench M3 Hex wrench M4 Hex wrench 【M2】 20pcs M2 X 6 Screws 20pcs M2 X 8 Screws 20pcs M2 X 10 Screws 20pcs M2 X 12 Screws 20pcs M2 X 16 Screws 20pcs M2 X 20 Screws 120pcs M2 Nuts 160pcs M2 Washers 【M3】 20pcs M3 X 6 Screws 20pcs M3 X 10 Screws 20pcs M3 X 12 Screws 20pcs M3 X 16 Screws 20pcs M3 X 20 Screws 20pcs M3 X 30 Screws 120pcs M3 Nuts 160pcs M3 Washers 【M4】 20pcs M4 X 6 Screws 20pcs M4 X 10 Screws 20pcs M4 X 12 Screws 20pcs M4 X 16 Screws 20pcs M4 X 20 Screws 20pcs M4 X 30 Screws 120pcs M4 Nuts 160pcs M4 Washers SELIKOUR1200Pcs M2 M3 M4 Hex Socket head Cap Screws Nuts Washers Assortment Kit Warning: the product are small parts, keep away from children and kids.