14 piece, steel & demolition reciprocating 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, includes: 4 6" 14/18 tpi reciprocating saw blades for metal, 4 6" 8/14 tpi reciprocating saw blades for wood/metal, 4 6" 6/12 tpi reciprocating saw blades for wood, one 9" 6/12 tpi reciprocating saw blade for wood, one 9" 10/14 tpi reciprocating saw blade for wood/metal.