HOLE SAW DIAM GRT 2-1/2" *Brand Name: Diablo *Diameter: 2-1/2 in. *Material: Diamond Grit *Product Type: Hole Saw *Number in Package: 1 pk *Cutting Depth: 2 in. *Length: 5.52 in. *Shank Diameter: 1/4 in. *Usage: Cut with Porcelain Tile, Ceramic Tile, Granite, Marble, Slate, and Glass *Quick-Change System: Yes