Diablo, 9'' x 10tpi, carbide tipped medium metal steel demon reciprocating blades, designed specifically for cutting medium metals & high strength alloys, high performance carbide blade delivers an unmatched 50x longer cutting life, medium metal cutting applications between 3/32" to 1/4", the blades 10 tpi provides cleaner/smoother cuts in metal, increased blade body height produces straighter cuts with less vibration.