Diablo, Demo Demon, 3 Pack, 6", Carbide Reciprocating Blade, General Purpose, Specifically Designed For Both Wood & Metal, Exclusive Features That Deliver Unmatched 50 Times Longer Life In Both Wood & Metal Cutting Applications, Oversized Blade Body, Variable Tooth Design & Perma-Shield Non-Stick Coating, Ideal For Cutting Nail-Embedded Wood, Ferrous Metal Applications With 3/32" 1/4" T & PVC/Pipe Materials.