This Ogee pattern has a step at the end of the concave portion of the curve. Using the optional 3/8" Bearing produces a profile with a fillet at the convex end of the curve. Use in a handheld or table-mounted router.#54127, diameter (D) 2-1/4, radius (r) 3/8, cutting height (B) 15/16, shank (D) 1/2, overall length (L) 2-7/8, replacement bearing 47706, flutes 2, 54127 carbide Tipped Ogee fillet 3/8 radius x 2-1/4 dia x 15/16 x 1/2 inch shank