Diablo 6" Steel Carbide Reciprocating Saw Blades, 3-Pack for Cutting Thick Metal, Features 6" x 1", 8 TPI - Amplified Carbide Teeth - Cuts Through 3/16" - 9/" Metal 16-inch thick - black ICE Coated for a cool 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