1/4" Hex Shank Screwdriver Bit Holder - Package includes 6 pieces 1/4" Hex Shank Screwdriver Bit Holder Extension, with a black metal hanging loop Their smooth finish and removable sockets can well avoid the hex shank keychain extension bars from falling unexpectedly, can ensure the safety of high-altitude operation Thoughtful Design - The cutaway design of the hex shank keychain extension bars is designed for easy gripping and quick release of another bit, which can make your work easier Wide Use - Compatible with most 1/4" hex quick handles and 1/4" hex sockets and various screwdrivers, hand screwdrivers and drill bits