The Arbortech TURBO Plane is a universal wood shaping blade that can be used to create different shapes, profiles and finishes. Attach it to a standard 4" or 4 1/2" grinder and it can be used flat to create large level surfaces, or used at angles to provide shallow cuts for fine shaping, planing and sculpting. Durable carbide teeth ensure long blade life even in hard woods. They are easy to sharpen, extending the life of the blade even further. The unique wide cutting edges leave a smooth finish that requires minimal sanding. Unlike burr discs, the blades curved design and internal placements of wide cutting edges provide a unique sculpting action. Can be used with guides and templates for accuracy. This purchase includes: 1 TURBO Plane blade, 1 nylon reducing washer, 1 spacer washer.