Diablo, 10 Pack, 6” x 10TPI, Metal Steel Demon Reciprocating Blades, First Carbide Teeth 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 332 To 14, Provides CleanerSmoother Cuts In Metal While The Increased Blade Body Height Produces Straighter Cuts With Less Vibration