Hard steel bracket, durable, durable structure, long service life.   Expand all kinds of screwdriver bits. The screwdriver bits are converted to universal 1/4 inch (about 0.6 cm) fast hexagonal handle and 1/4 inch (about 0.6 cm) hexagonal sleeve, which is suitable for most electric screwdrivers, hand-held screwdrivers and drills.   Small and portable, easy to carry around. Suitable for the transfer of drill bits, screwdrivers and batch heads.   The chrome-plated surface of the drill clamp increases the rust resistance. It can be used for various drivers, making this extension stand very convenient and flexible.   The bit extension frame is made of high-quality steel, and the heavy structure ensures maximum efficiency.      Describe   Name: Keychain Connecting Rod Set   Material: steel   Color: As Shown      Package Contents:   1 x Keychain connecting rod set      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.