Century Drill and Tool 5495 Carbon Alloy Hole Saw Set, 5 Piece Carbon Alloy hole saws are made from hardened tempered carbon alloy steel Economically cut large holes in wood drywall and light construction materials 5 piece set includes 1-1/4-Inch 1-1/2-Inch 2-Inch 2-1/8-Inch hole saws and complete arbor Cuts to a depth of 3/4-Inch Cut from both sides for deeper cuts