Features 304 stainless steel: hex nuts assortment kit is made of 304 stainless steel, which is not easy to rust and corrode, can be used in harsh environments, and has heat resistance and low temperature resistance Standard cross groove design: Hex nuts assortment kit adopts standard cross groove design, the surface is round and firm, easy to install and use, and not easy to slip off Complete specifications: M3 x 5 x 20pcs Screws, M3 x 6 x 20pcs Screws, M3 x 8 x 20pcs Screws, M3 x 10 x 20pcs Screws, M3 x 12 x 20pcs Screws, M3 x 14 x 20pcs Screws, M3 x 16 x 20pcs Screws, M3 x 18 x 20pcs Screws, M3 x 20 x 20pcs Screws, M3 x 160pcs Hex Nuts Equipped with storage box: The stainless steel assortment kit set is equipped with a transparent storage box. The box uses various layers, you can put different specifications of M3 bolts and nuts together, so that you can get them as soon as you need them. Wide range of applications: M3 phillips pan head screws can be used in all walks of life, bringing you more efficient production, such as doors and windows, computer repair and assembly, automobile manufacturing and production, electrical air-conditioning, etc. Description: These screws and nuts comes in a handy reusable plastic container. There are many length in one set which can be commonly used in machinery, furniture, repair and DIY inventions. Features: The stainless steel assortment kit set is made of 304 stainless steel, rust and corrosion resistant. Environment-friendly, no pollution, high hardness. Many length choice in one set meet daily basic needs. Well packed in a transparent plastic box. Carefully organized in 10 cells, not worry messing them up. Specifications: Material: 304 Stainless Steel Content: M3 x 5 x 20pcs  Screws M3 x 6 x 20pcs  Screws M3 x 8 x 20pcs  Screws M3 x 10 x 20pcs  Screws M3 x 12 x 20pcs  Screws M3 x 14 x 20pcs  Screws M3 x 16 x 20pcs  Screws M3 x 18 x 20pcs  Screws M3 x 20 x 20pcs  Screws M3 x 160pcs  Hex Nuts Package Size: 13.5 x 7cm / 5.31 x 2.75" Weight: 221g(approx.) Package Includes: 1 Set x M3 Screws and Nuts Package List