Mini Hole Cutter, 3/16 in Dia, Diamond Cutting Edge
ProLine Hole Cutter, Mini, Series: PTC3, 3/16 in Diameter, Diamond Cutting Edge, Hardened Steel Body, 3-Flat Shank, Applicable Materials: Porcelain Tiles, Diamond, Granite, Marble, Slate, Glass, Travertine, Fiber, Ceramic, Agglomerate, Cement, Quarry and Terracota.