The Arbortech Turbo Plane is a universal freehand wood shaping tungsten carbide toothed blade that can be used in a number of ways to create different profiles and finishes. This blade differs significantly from other Arbortech blades in that it is specifically designed to be laid flat with a rotary planing action. It has no cutting edge on the outer perimeter, which makes it safer and easier to use than other freehand blades.Features: Turbo plane has specially designed Tungsten carbide teeth, ready to take on the toughest of timbers Wide planing action provides a smooth surface Excellent control & balance Easily re-sharpened with a small diamond stone Rapid sculpting, planing and trimming Use level to plane surfaces smooth and flat Use angled to create convex and concave shapes Specifications: Maximum RPM: 12,000 Blade Diameter: 3-7/8'' Carbide Teeth Width: 1'' Tooth Material: Tungsten Carbide Body Material: Solid Steel (1/8'' thick) What's Included: (1) Arbortech TurboPlane Blade (1) Nylon Reducing Washer