Diablo Steel Demon, 2 Pack, 12" 14/18 Tip, Reciprocating Saw Blade, Full Body, Specifically Designed For Maximum Performance In Metal Demolition Applications, Bi-Metal Liquid Metal Tooth Design, Lasts Up To 4 Times Longer Than Standard Blades, Features Perma Shield Non-Stick Coating & Liquid Metal Technology For Maximum Durability & Speed, For Cutting Steel & Metal Composites 3/32" To 5/16".