Hole Saw, Primary Material Application Tile, Materials Glass, Granite, Porcelain, Arbor Design Included, Tooth Material Diamond, Saw Dia. 1/4 in, Teeth per Inch Grit, Number of Teeth (Hole Cutters Only) Grit, Max. Cutting Depth 1 5/8 in, Impact Rated No, Shank Size 1/4 in Hex