Notice:Case Color Send Randomly Do not accept designation 40 hex, torx and spline bits made from metal. This set Includes 2 x chrome vanadium 3/8 inch and 1/2 inch drive sockets. All of the bits, with the exception of a few of the larger bits, share the same 12mm diameter hex base, which allows faster bit changes. Each bit has size imprinted on the bit itself, making it easy to identify after you've removed a handful from the case. Material: metal Color: as shown Storage case displays the bit sizes to each housing. The set is supplied in a durable snap-shut carry case with carry handle. Brand new item in retail packaging. This tool is manufactured to high quality standards. Description: Item type: tool 40 star batches 6 pieces of 10MM series 30MM hex bit (H4, 5, 6, 7, 8, 10). 1 piece of 12MM series 30MM hex bit head H12. 5 pieces of 10MM series 30MM pattern bit bits (, 6, 8, 10, 12). 7 pieces of 10MM series 30MM pattern bit bits (T20, 25, 30, 40, 45, 50, 55). 6 pieces of 10MM series 75MM hex bit (H4, 5, 6, 7, 8, 10). 1 piece of 12MM series 75MM hex bit H12. 5 pieces of 10MM series 75MM pattern bit bits (, 6, 8, 10, 12). 7 pieces of 10MM series 75MM pattern bit bits (T20, 25, 30, 40, 45, 50, 55). 1 piece of 12.5MM series buckle. 1 piece of 10MM series buckle Package Contents: 40Pcs tool kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.