Alpha Dry Core Drill Bit Size:1-1/2" check their label and you

check their label and you will very clearly see

stain and etch repair and light honing

high-quality diamond tools like the PCLB1470 that meet the rigorous demands of the stone fabrication industry

as directed in steps 2-4

Achieve a Great Polish

Alpha Dry Core Drill Bit Size:1-1/2" check their label and youDry Core Bits High Speed Dry Core Bit for Granite Eng. Stone Alpha Professional Tools introduces a Dry Core Bit designed for use on the job site without using water. Our Dry Core Bits fit on a high speed angle grinder with a 5 8" 11 spindle. The Alpha Dry Core Bit provides the best cutting performance and can drill through the toughest 1 1 4" granite, engineered stone, porcelain and crystallized glass countertop at the job site without using water.