Set contains 7 size: H3,H4,H5,H6,H7,H8,H10,making it useful for a wide range of applications including computer or auto work that have hex fasteners. Hex bits are made from premium S2 steel and chrome vanadium for extra strength that can free stubborn screws. 110mm extra long bit is designed to fit in hard to reach areas and the chamfered ends enables a secure fit onto your wrench for a non-slip grip. All hex bits and sockets are engraved for easy identification while storing neatly in a snap close case for portability. Polished chrome finish allows for easy clean up and great resistance to rust. Each bit has its size imprinted on the bit itself, making it easy to identify them after you've removed a handful from the case. The set is supplied in a durable snap-shut carry case with carry handle.Notice:Case Color Send Randomly Do not accept designation item in retail packaging. This tool is manufactured to high quality standards. Colour:Silver Material:CR-V Size:H3 H4 H5 H6 H7 H8 H10 Package Contents: 1 * sleeve tool set 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.