The LumberJack Tools Commercial Series Beginners Kit CSBK1 Tenon Cutters cut a 1.5" diameter tenon with a 60 degree tapered shoulder on the end of a log or material of your choice up to 4-Inch. The LumberJack Tools tenon cutter is designed to run on a heavy duty 1/2-Inch corded drill. Features of the LumberJack Tools tenon cutter are: ergonomically designed die cast aluminum body with removable/re-sharpenable hardened steel dual cutting blades. Using the LumberJack Tools CSBK1 to build your indoor or outdoor rustic furniture projects is easy, fast, safe and efficient.