• HIGH QUALITY, DURABLE Diamond Coated Holesaw Tool 2 3/8 inches Diameter
• STANDARD 3/8 inch Shank Use with and standard electric or battery drill.
• PROFESSIONAL Quality Tool for Drilling Holes in Tiles, Glass, Fish Tanks, Marble, Granite Countertop, Ceramic, Porcelain
• SAVE OVER 80 Percent for DIY Kitchen, Bathroom, Shower, Faucet Installation Projects
• Use water as coolant to prolong the tool life, these tools do not need a center pilot drill.