Diablo, Demo Demon, 3 Pack, 12'', Carbide Tipped Fast Wood Reciprocating Blade, Pruning Fast Clean Wood Blades Feature Aggressive Carbide Tooth Geometry For Unmatched 50 Times Longer Cutting Life, Faster Cuts Increased Productivity In Pruning Clean Wood Cutting Applications, Designed With Large Gullets A Strengthened, Oversized Blade Body For Fast Chip Removal In Extreme Cutting Applications, Blades Feature PermaShield NonStick Coating To Prevent Gumming Friction For Fast, Effortless Cuts In Some Of The Toughest Wood Cutting Scenarios