Create raised panels for cabinet doors, frame-and-panel furniture, and architectural paneling with a raised-panel bit. The Cutter forms a fillet to delineate the raised field, a shaped band around the field, and an integral Tongue to fit the panel Groove in the frame members. The profile contour and the reveal width varies. All tools have 1/2" Shanks. Must be used in a table-mounted 3+ Horsepower router and run at reduced speed. Use these bits for panels with curved edges. Multiple passes recommended. Maximum RPM 14, 000. #54121, diameter (D) 3-3/8, cut depth (a) 1-7/16, radius (r) 7/8, cutting Height (B) 9/16, shank (D) 1/2, overall length (L) 2-1/2, B1 3/8, replacement bearing 47706, flutes 2, 54121 carbide Tipped Ogee raised panel 7/8 radius x 3-3/8 dia x 9/16 x 1/2 inch Shank