For cutting 1-3/8" diameter holes in glass, ceramic, porcelain, marble and granite. Special diamond grit edge for faster smoother cuts. Included drill guide and water cooling cup easily supplies water to drill bit (use wet-only). Fits standard 1/2" or 3/8" drill chucks.

• For cutting 1-3/8" diameter holes in glass, ceramic, porcelain, marble and granite
• Special diamond grit edge for faster smoother cuts
• Included drill guide and water cooling cup easily supplies water to drill bit (use wet-only)
• Fits standard 1/2" or 3/8" drill chucks.