Diablo, 12'' x 3TPI, Carbide Tipped Demo Demon Pruning Blades, Feature Aggressive Carbide Tooth Geometry For An Unmatched 50x Longer Cutting Life, Faster Cuts & Increased Productivity In Pruning & Clean Wood Cutting Applications, Designed With Large Gullets & Strengthened, Oversized Blade Body For Fast Chip Removal In Extreme Cutting Applications, Blades Feature Perma-Shield Non-Stick Coating To Prevent Gumming & Friction For Fast, Effortless Cuts In Some Of The Toughest Wood Cutting Scenarios.