When DIY is part of your DNA, the Timber Tuff Tenon Cutter and Forstner Bit, 3-Pc. Master Kit lets you flex your furniture-making muscle. Solid die-cast aluminum construction tenon cutters attach to your existing 1/2" (or larger) drill and feature a scale to balance and fix the blade position to create an even consistent, radius shoulder on log ends. Dual high-speed blades cut clean and come in 1", 1.5" and 2" sizes Each tenon cutter has a matching forstner bit for fast creation of the bore holes for needed to create and complete a host of log furniture projects. The body of the cutters have a powder-coat finish to resist corrosion and the blades can be re-sharpened or replaced for years of use.