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.