Irwin 3522311C Power Bit #2 Drive Square Recess Drive 1/4 in Shank Hex Shank 6 in L High-Grade S2 Tool Steel

Made of shock-resistant tool steel. Fits directly into the power drill chuck or quick-change chuck adapter. Provides a tight fit in the fastener recess in applications such as cabinetry, decking, drywall, 1/4 in hex shank.