EZARC Reciprocating Saw Blade Heavy Wood Demolition 9-Inch 6TPI R936DV (5-Pack) Long life and less vibration, heavy duty for demolition cutting jobs Thickest kerf of 1.6mm makes this blade more durable on any tough demolition jobs Fast cutting speed with aggressive teeth angles and big teeth pitch Reinforced teeth of bimetal with 8% cobalt maximizes the cutting range from soft to hard Suitable for hard wood, wood with nails, chipboard, FRP