Product Details Features and Benefits:

• Used in high torque power tools
• Designed 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
• Specifically designed for the higher torque requirements of power tools. Best suited for maintenance and repair work. Used in high torque power tools. Designed for use in power drill chuck and chuck adapter.