Specifications: Material: Aluminum Alloy, PP Size: 20.5*10.3*3.2cm/8*4*1.26inch Color: Silver Quantity: 190 Pieces Function: High-quality materials, not easy to deform, strong and durable, anti-corrosion and anti-rust. The nut set contains 6 types of nuts, you can choose them according to your needs. With a carrying case and a removable compartment, it is easy to carry, easy to store and use. Vertical grain nuts are widely used in industrial products such as automobiles, furniture, electromechanical and household appliances. Noticed: 1. Due to manual measurement, please allow 1-2cm measuring deviation. 2. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown in the picture. THANKS. Packages included: M3 (45 pieces) M4 (40 pieces) M5 (40 pieces) M6 (30 pieces) M8 (20 pieces) M10 (15 pieces)