Diablo's, 10 Pack, 1-1/4", Universal Fit Carbide Oscillating Blades Feature Application Specific Designs That Deliver Extreme Durability And Superior Cutting Life In Metals. High-Performance Carbide Teeth Deliver An Unmatched Up To 50X Longer Cutting Life Versus Standard Bi-Metal Blades. An Optimized Blade And Tooth Design Along With Black I.C.E. (Industrial Cooling Element) Keeps The Teeth Cool And Build Up Free For Fast, Clean Cuts. The Blade's Universal Fit, Adapter-Free Design Easily Attaches To Most Tools, With The Exception Of Starlock Tools.