Most of the bits used in different electric drivers portable drivers fit our 1/4 bit holder. This makes drill bit holder very convenient for your home renovation tools. Selected aluminium. Includes 6 x Carabiner Screwdriver Bit Holder Extensions Remove the bit by pulling the outer metal hook during disassembly. 1/4 inch shank suitable for most drills. Suitable for home, automotive, professional carpentry. Suitable for frequently used bits Suitable for various electric screwdrivers, hand screwdriver drill. Can also be used as a key ring. Each bit is easy to install to release. The Bit Keychain keeps your Bit organized making it easy every time you leave., Manufacturer: jebyltd