Hole Saw Primary Material Application Masonry and Tile Materials Cut Fiberglass Floor Tile Glass Granite Marble Mirrors Natural Stone Porcelain Pottery Slate Wall Tile Arbor Design Built-In Tooth Material Diamond Grit Saw Dia 7/8 in Teeth per Inch Continuous Grit Max Cutting Depth 1/2 in Impact Rated No Shank Size 1/4 in Round