Extensive Application: these Hex Keychains are suitable extension of most Screwdriver Bit Organizer, 1/4-inch Hex Sockets are compatible with a of drivers, and drill bits, Practical and easy to carry : The Cupped Design of Hex Keychain is easy to Hold and Convenient to replace another drill bit, Their removable bushings can avoid Hex Keychain extension bars from falling, You can Hang the Key on it and find the key With Hanging Buckle: Comes with a chain buckle, which can be hung on a belt. You can also use the keychain post with your favorite buckle according to your needs. Colour:Photo Color Material:aluminum alloy Package Contents: 12 X bit holder 2 X colored keychain holder 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.