General description The 12PCS 1/4 Inch Hex Shank Screwdriver Bits Holder Extension Bar is a versatile tool designed for easy handling and storage of screwdriver bits. This set includes 12 extension rods with a black metal hanging buckle, making it compatible with most 1/4 inch fast hex handles, hex sockets, electric screwdrivers, and hand-held screwdrivers. Its compact size allows for convenient portability, and it can also double as a keychain. Technical specifications Drive System: Hex Material: Metal Size: 10.49 x 7.19 x 2.79 cm Color: Photo Color Measurement allowed error: +/- 1-3 cm Usage Facilitates easy one-handed bit replacement Ideal for high-altitude operations Can be used for transferring drill bits and screwdrivers Other information