Improve your CNC cutting abilities with the Whiteside CNC Spoilboard Surfacing Router Bit. This 1/4" shank bit clears the surface of your Spoilboard, creating a base surface that is perpendicular to the router motor. Once you add your planed project material, you are ensured an accurate cut. This CNC bit can also be used to flatten live edge boards that may be too large to go through your planer. Four wings make a fast, clean cut on your project material. This CNC bit is carbide tipped. Specifications: • Shank: 1/4" • Cut Diameter: 1" • Cut Length: 1/4"