EASY CUT reciprocating saw blades for wood, high carbon steel, hardened, teeth precision ground and set, for quick, progressive toothing, tooth pitch varies from fine at the machine end to coarse at the point, so you can achieve a clean cut edge both in thin and thick materials, for construction timber and wooden structures up to 150 mm thick, blockboard and MDF up to 60 mm thick, plywood and sheet plastic up to 100 mm thick, 1/2" shank for all standard reciprocating and sabre saws.