Features: ●Various specifications and wide application: various styles, can be adapted to different styles of screws, and have a wide range of uses ●Excellent material selection, beautiful anti-rust: high hardness of steel, high torque, durable, sandblasted surface, beautiful anti-rust ●Anti-slip card slot, beautiful electroplating: Anti-slip card slot prevents the bit from falling off, easy to use, surface electroplating treatment, beautiful anti-rust ●40-piece hexagon socket wrench, sturdy and durable ●Box size: about 33x13.5x3.8cm/12.99x5.31x1.50inch Specifications: Material:Chrome Vanadium Steel Box color: blue Box size: Approx.33x13.5x3.8cm/12.99x5.31x1.50inch Package Includes: 1 Set Allen Wrench note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.