Alpha VersaDrive TurboTip Impact Drill Bit Set, 6, 8, 10, 12mm 209015-SET1

VersaDrive TurboTip® Drill Bits are stepped tip bits that drill at twice the speed of standard bits without the need for pilot drilling while cutting a perfectly round hole.
Patented Drill Point
Specially hardened for impact wrench use
50% faster drilling with 30% less pressure
Fully impact rated on structural steel