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.