LENOX® Hole Saw, 4-1/8 in Dia Saw, 2L, 7L Arbor Hole, 100 rev/min Brick, Drywall, Porcelain, Marble, Ceramic Tile, 200 rev/min Slate, Fiberglass, Particle Board, Laminates, Granite, Cement, 100 rev/min Cast Iron Speed, Carbide Grit Tooth, Applicable Materials: Brick, Drywall, Porcelain, Marble, Ceramic Tile, Slate, Fiberglass, Particle Board, Laminates, Granite, Cement, Cast Iron