Tenon / Plug Cutter, 1-5/8" CD x 3-7/8" CL x 6-1/4" OALProduce smooth, high quality tenons for improving knot holes, special length plugs for hand rail junctions in making stairs, the production of wood dowels, and a myriad of other applications with these FISCH Tenon Plug Cutters. With the optimized cutting edge geometry of these bits, very little energy input is required, especially in hardwood. The tenon cutters have an excess of 0. 1mm to permit the exact seating of the knot hole dowels. All FISCH