Diablo Steel 9" Carbide Reciprocating Saw Blades, 3-Pack for Cutting Thick Metal, Thick Metal Cutting Features, 9" x 1" Blade, 8 TPI - Amplified Carbide Teeth, Cuts Through 9" Metal /16-inch thick, black ICE Coated for a fresh edge and superior chip evacuation. Designed to cut through the toughest metals. Best for Cast Iron, Boron Steel, and Ultra High Strength Steel (UHSS) - Can be used for a wide variety of applications from Automotive - Industrial - Household - Arts & Crafts