The Arbortech Power Carving Unit (PCU) is the ideal power source for all of your Arbortech attachments. A first of its kind grinder designed specifically for woodworkers, simply secure any Arbortech attachment and experience power carving like never before. Equipped with variable speeds, robust sanding capabilities, a leveling guide for flat planing, a chip catcher and dust collection, the PCU is the new standard for power carving excellence.