Reciprocating Saw Blade Set Primary Material Application Demolition Materials Cut Angle Iron Black Pipe Cast Iron Composition Material Ferrous Metals High Strength Alloys Nail-Embedded Wood Non-Ferrous Metals Plastic Stainless Steel Wood Blade Length 6 in 9 in Teeth per Inch 5/8/14 Cut Width 0.05 in Blade Material Bi-Metal Carbide Tip Material Bi-Metal Tipped Carbide Tipped Back Style Straight Tapered Number of Cutting Edges 1 Cutting Edge Style Rigid for Straight Cuts