Diablo, 10 pack, 9'' x10tpi, carbide tipped medium steel demon metal 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", provides cleaner/smoother cuts in metal, increased blade body height produces straighter cuts with less vibration.