Features Premium MaterialThis M3 screws are made of premium 304 stainless steel material, the hex socket head cap screws are rust and corrosion resistant, ensuring long time using and prolong screws lifespan. TransparentPlastic BoxThese screws and nuts comes in a handy transparent plastic container that are well organized by size or type, which makes it easier to classify, identify, carry and store, not worry messing them up. Easy to UseThe stainless steel hex head socket screws and nuts assortment is equipped with a hexagonal wrench, convenient for you to use during maintenance and improve work efficiency. More Convenient. Ideal ToolThis hex socket head cap screws nuts washers kit is an ideal tool for general hardware task, which is environment-friendly, no pollution, high hardness. Great for professionals, amateurs, landlords, handymen, repair men using. Wide ApplicationThis M3 stainless steel hex socket head cap screws nuts has many length in one set meet daily basic needs, which can be used for machinery, furniture, maintenance and DIY inventions. M3 x 6/8/10/12/16/18/20/35/30/35/40 These screws and nuts comes in a handy reusable plastic container. There are many length in one set which can becommonly used in machinery, furniture, repair and DIY inventions. Features: 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. Equipped with a hexagonal wrench, convenient for you to use during maintenance and improve work efficiency. Well packed in a transparent plastic box. Carefully organized in 12 cells, not worry messing them up. This key bolts with nuts can be used for machinery, furniture, maintenance and DIY inventions Specifications: Material: 304 Stainless Steel Content: M3 x 6 Screw (20pcs) M3 x 8 Screw (20pcs) M3 x 10 Screw (20pcs) M3 x 12 Screw (20pcs) M3 x 16 Screw (20pcs) M3 x 18 Screw (20pcs) M3 x 20 Screw (20pcs) M3 x 25 Screw (20pcs) M3 x 30 Screw (20pcs) M3 x 35 Screw (20pcs) M3 x 40 Screw (20pcs) Nut (220pcs) Hex Key(2pcs) Package Size: 17.4 x 10 x 2.3cm / 6.85 x 3.93 x 0.9" Total Weight: 420g(approx.) Package Includes: 1 Set x M3 Screws and Nuts(Including 2 Hex Keys) Package List