Description Diablo's Steel Demon Carbide Teeth Reciprocating Saw Blades for Medium Metal are the first carbide teeth blades on the market designed specifically for cutting medium metals and high strength alloys. This high performance carbide blade delivers an unmatched up to 50X longer cutting life than standard bi-metal blades in medium metal cutting applications. The blade's 10 TPI provides cleaner and smoother cuts on material between 1/16" to 5/16". An oversized 1" blade body height produces straighter cuts with less vibration.