Dam-It

For coring holes through granite, marble & stone. The system helps stabilize the drill from walking and scratching the material while maintaining the water.

17 Piece Kit Includes:
Water Dam Centering Rings - 3” & 5”
Drill Bit Size Rings - 1/4”, 3/8”, 1/2”,
5/8”, 3/4”, 7/8”, 1”, 1-1/8”, 1-1/4”,
1-3/8”, 1-1/2”, 1-5/8”, 1-3/4” & 2”