Hole Saw w Pilot Drill - 1 3/8" / 35mm - Great Tool Integrated pilot drill keeps hole saw steady for smooth cutting Hole saw easily drills through Granite, Ceramic, Stone, and Wood Comes with "Faucet Drilling Guide" (alignment tool and quick instructions) Guide helps you get it done quick, or makes sure who ever does, gets it done right, The First Time! Order now, and Get More Done, Faster