EZARC Reciprocating Saw Blade Wood Demolition 9-Inch 6TPI R922DH (5-Pack) Teeth of the hardest high speed steel with 8% Cobalt guarantees long lifetime Reinforced tooth for increased durability when cutting through nails Suitable for hard wood, wood with nails, chipboard, glass fiber-reinforced plastics Sharp tip makes it easy into any corner for cutting job