Three uniform beads are formed in one pass with this bit. Use it to produce reeded pilasters or Table legs. Must be used with an edge guide or fence. Use in a handheld or table-mounted router.#54212, diameter (D) 7/8, radius (r) 1/8, cutting height (B) 1, shank (D) 1/2, overall length (L) 2-3/4, Type bead, flutes 2, 54212 carbide Tipped triple bead 1/8 radius x 7/8 dia x 1 inch x 1/2 shank