Drilax 4-1/8" Diamond Hole Saw Glass Cutting Ceramic Porcelain Tile Saw Marble Granite Quartz Coated Circular ( Larger Than 4" ) Drill Bit Tip Wet Drilling Core Grit Tool 4 1/8 Inches in Drilax010105 MONSTER SIZE Diamond Coated Hole Saw Drilling Holesaw Tool 4 1/8" - Larger Than 4 inches EASILY Cuts Through Ceramic and Porcelain Tile - Glass, Marble, Granite, Quartz - USE WATER TO COOL Use with Any Electric Drill - Diamond Circular Hole Saw for Floor Drain, Shower, Shower Mixing Valve, Shower Drain Installation Drills 1 inch deep - Wet Type - Do not use dry - No Pilot Drill Bit - Pilots are not required Cylindrical Shank 3/8" - No Need for Adapters or Arbor