Amana Tool 55432 Carbide Tipped InStile & Rail Straight w/ Bevel 18 Deg x 1-7/8 D x 5/8 to 1-1/8 CH x 1/2 Inch SHK w/ Lower BB Adjustable Router Bit Set for Plywood

Bits in these sets have profile and groove or rabbet cutters and ball-bearing guide mounted on a 1/2" shank. Respacing of the components should only be necessary - using the provided shims - after the cutters have been resharpened. Guide straight cuts with the fence; use the pilot bearing only for cuts on curved rails or stiles.