70x longer life than standard impact rated driver bits Impact rated 1/4-in speed hex is ideal for use in high torque impacting drivers and conventional rotary drills IMPACTive alloy tool steel torsion zones actively flex to dissipate peak impact forces Mach-Blue Tough Tip Technology - Precision fitting tips are machined for superior strength and fitment, resisting cam-out, twisting and breaking Mach-Blue Tough Tip Technology - Provides extreme corrosion resistance for prolonged tool life Mach-Blue Tough Tip Technology - Superior plating strengthens tip drive surfaces for increased wear resistance Mach-Blue Tough Tip Technology is up to 33% stronger for extended tool life in high torque impact applications Multi-stage heat treatment process provides an optimal blend of bit hardness and durability