Diablo, 12" 'x 10tpi, carbide tipped, medium, metal, steel demon, reciprocating blade, are the first carbide teeth blades designed specifically for cutting medium metals & high strength alloys, this high performance carbide blade delivers an unmatched 50x longer cutting life than standard bi-metal blades in medium metal cutting applications between 3/32" to 1/4", the blades 10 tpi provides cleaner/smoother cuts in metal, while the increased blade body height produces straighter cuts with less vibration.