Diablo,10 Pack, 6'' x 3 TPI, Carbide, Demo Demon Pruning Blade, Carbide Pruning & Fast Clean Wood Blades Feature An Aggressive Carbide Tooth Geometry For An Unmatched 50X Longer Cutting Life, Faster Cuts & Increased Productivity In Pruning & Clean Wood Cutting Applications, First Carbide Blades Designed With Large Gullets & Strengthened Oversized Blade Body For Fast Chip Removal In Extreme Cutting Applications, Perma-Shield Non-Stick Coating To Prevent Gumming & Friction For Fast, Effortless Cuts In Some Of The Toughest Wood Cutting Scenarios.