IRWIN 93049 Power Bit, #3 Drive, Phillips Drive, 1/4 in Shank, Hex Shank, S2 Steel

Made of high-grade S2 tool steel and milled for precise fit. Specifically built for the higher torque requirements of power tools; can be used with drill chuck or quick change chuck adapter in applications such as appliance, automotive, aviation, decking, drywall, electronics, furniture assembly, general construction and HVACR; 1/4" hex shank.