DescriptionAre you looking for a professional, yet affordable quick release extension bar? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional quick release extension bar must meet you needs. It is one of the best choices for you.Features- Color: As shown. - Material: Steel. - Size: 6 x 1 x 0.5 cm. - Interface has a locking mechanism, built-have magnetic, automatically up batch head. - Suitable for drill, screwdriver, batch head and other to transfer. - Extend all kinds of screwdriver bits, screwdriver head conversion uses. - Fast, fastening; Greatly improve work efficiency. - Etended torsion zone helps to absorb high torque of new impact drivers.