Features and Benefits:�10X Longer Life vs. Standard Pilot Bits�1/4" x 3-1/2" Cobalt Pilot Bit works with all Milwaukee® Arbors�Quad Edge Tip designed to decrease heat build up and drill faster�135° split point for precision start no walking�For the toughest applications where standard pilot bits don't hold up�Drills through stainless steel, cast iron, wood, metal & abrasive materials�For Best Performance use with MILWAUKEE® HOLE DOZER™ Carbide Teeth Hole SawsThe MILWAUKEE HOLE DOZER with Carbide Teeth Cobalt Pilot Bit delivers up to 10X longer life than standard pilot bits. The Quad Edge tip decreases heat build-up while drilling, and a 135° split point allows for accurate and precise hole placement. This Milwaukee Hole Saw Cobalt Pilot Bit is designed for use in stainless steel, cast iron, wood, metal & abrasive materials. For best performance use with Milwaukee HOLE DOZER with Carbide Teeth Hole Saws.