Diablo DSQ21P100 Insert Bit, #2 Drive, Square Drive, 1/4 in Shank, Hex Shank, 1 in L, HSS

Diablo's driver bit range of square bits delivers maximum performance, extreme durability and up to 50X longer life when installing and removing fasteners. An optimized tip design provides a strong, precise grip that reduces wear, stripping and slippage. Torque-resistant design absorbs torque for less stress at the tip when tightening and removing nuts and screws. This range is Impact Strong, delivering increased shank stability and durability in cordless and corded impact and drill drivers.