Klein Tools key hole saw is designed with the professional user in mind. The rugged, heavy-duty Hole Saw provides superior results with less effort. A curved front-end design allows for comfortable, two-hand use. Hand saw cuts drywall, wallboard, plywood and plastic Drywall saw blade with triple ground teeth for a fast cut Blade cuts in both directions (push and pull) Hardened, carbon steel blade for durability Hardened, beveled blade point for scoring and plunge cuts