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.