The cupping design of the hexagon handle keychain is easy to grip and easy to replace with another bit, and its removable bushing prevents the hexagon handle keychain extension from falling off, you can hang your keys on it and find your keys easily Universal 1/4inch hex shank and 1/4inch hex socket to fit most electric drivers, handheld drivers and drills. Screw Adapter Quick Change Bit Holder Compact and portable for easy portability color:Photo color Material:Metal Package Contents: 24 x bit holders 4 x hanging buckles 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.