1/2" 13 Step Drill Bit

Diablo, 1/2", Step Drill Bit, 13 Steps, 1/4" To 1/2", Impact, Fast, Accurate Cuts & Increased Stability In Thin Metals, PVC, & Other Plastic Materials, Innovative Split Point Tip Design Enables Fast, On Point Start Resulting In Increased Durability & Up To 4X Longer Life, Precision Grinding Process On Each Step Reduces Wear & Delivers 2X Faster Cut, Designed With 1/4" Hex Shank, Can Be Used With Drills & Impact Drivers, Split Point Tip 132 Degree, Corded & Cordless Tool Efficiency In High Speed Mode For Up To 75 Percent More Holes Per Battery Charge.