Features and Benefits: • Used in high torque power toolsDesigned for use in power drill chuck and chuck adapter • Power bits are screwdriving bits that are longer to work with both power drills and impact screwdrivers • All IRWIN fastener drive bits are manufactured to meet ANSI standards • Forged from high-grade S2 steel, IRWIN bits are between 58 and 62 on the Rockwell hardness scale
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