1 in. Diamond Hole Saw

The Spyder diamond hole saw makes a 1 in. opening in ceramic, porcelain, granite, slate, marble and glass. Use it to cut round holes for installation work in tile and masonry materials. It also works on fiber cement board and laminates. - Wet or dry use - Boron-coated industrial diamond abrasive - Self-sharpening abrasive - Single piece, high-alloy steel construction - Made in the USA