488503 Carbide-Tipped Replacement Cuter Blade, EHL:

Spiral Cutter Engages the Material with a Slicing Action, Similar to that of a Skewed Angle Hand Plane, Generating Less Chatter and a Smoother Cut. Self-Aligning Blades make for Quick and Easy Blade Changes - Loosen 3 Screws, Replace the Blade, Re-Tighten Screws and you're Done - Simple as that. Durable Solid Carbide Spiral-Cutting Blade Generates Consistent Results over a Long Service Life. Includes 1 Replacement Blade.