Diablo, 10 Pack, 12'' x 8TPI, Carbide Tipped Thick Metal Steel Demon Reciprocating Blades, Designed For Metal Cutting, Including High Strength Alloys, Cast Iron & Stainless Steel, High Performance Carbide Teeth Blade Delivers Unmatched 50x Longer Cutting Life, Extreme Thick Metal Cutting Applications Between 3/16" To 1/2", Increased Blade Body Height Produces Straighter Cuts With Less Vibration.