Drilax Diamond Coated Core Hole Saw 4-3/8 Inch Drill Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diamond Coated Hole Saw Drilling Holesaw Tool 4 3/8" - Larger Than 4 Inches</li><li>EASILY Cuts Through Ceramic and Porcelain Tile - Glass， Marble， Granite， Quartz - USE WATER TO COOL</li><li>Use with Any Electric Drill - Diamond Circular Hole Saw for Floor Drain， Shower， Shower Mixing Valve， Shower Drain Installation</li><li>Drills 1 inch deep - Wet Type - Do not use dry - No Pilot Drill Bit - Pilots are not required</li><li>Cylindrical Shank 3/8" - No Need for Adapters or Arbor</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kiZAWBvoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415ef42KZWL.jpg" noproxy>