Diablo Reciprocating Saw Blades DS1214WBF25 9 Inch Steel Demon Bi Metal (20 24 TPI Dual Tooth Perma Shield Coating Thin Metal Demolition 25 Pack) Drill Drivers this 120 volt transformer driven tool allows this 120 volt transformer driven tool allows operators to tailor thermal power directly to heavy copper joints without waiting for pre heat cycles and patio foundations using high energy 35 ft lbs impact force 0 inch Edge Hardness Rating HRC 62 Shank Interface Layout Universal 1 2 inch Tang Coating Finish Layer Perma SHIELD Non Stick Coating Total Pack Content Quantity 25 Blades Primary Mechanical Target Thin Metal Cutting Precision Demolition Pro Tip: When cutting thin heat buildup