Cut both the stiles and rails with a single economical assembly. Switch from the stile cut to the rail cut simply by rearranging the cutters and bearing on the Arbor. Because the profile and the cope are Cut with the same Cutter, you get a perfect fit. The assembly ORDER For each setup is shown in the drawing. Use in a table-mounted router. Guide straight cuts with the fence; use the pilot bearing only for cuts on curved rails or stiles, #55370, diameter (D): 1-5/8, cutting height (B): 11/16, shank (D): 1/2, overall length (L): 3, B1: 7/8, Type: traditional, replacement bearing: 47708, flutes: 2, C: 3/8, Wings: 2, 55370 carbide Tipped traditional reversible stile and rail assembly 1-5/8 DIA x 11/16 x 1/2 inch shank