6 piece, reciprocating steel/demolition blade set, variable tooth design, wooding cutting blades feature an easy plunge tip for faster & easier plunging, wood cutting blades suited for cutting wood, wood composites & nail embedded wood, metal cutting blades suited for cutting steel & metal composites, set includes: one 6" 8/10 tpi reciprocating saw blade for metal, two 6" 14/18 tpi reciprocating saw blade for metal, two 6" 6/12 tpi reciprocating saw blade for wood & one 9" 6/12 tpi reciprocating saw blade for wood.