UP TO 50X LIFE* High performance carbide is welded to the cutting edge for durability and to help prevent tooth loss. EXTREMELY VERSATILE Aggressive tooth design drills through wood, steel, stainless, cast iron, fiber cement & plaster FAST, EASY PLUG REMOVAL Patented SPEED SLOT® Staircase design has multiple leverage points for easy plug ejection DRILLS THROUGH THICK MATERIALS IN ONE PASS Tall body easily drills through 2x dimensional lumber for rough-in work *vs LENOX Bi-Metal Hole Saws cutting cast iron