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