Use this bit to form a bead-sided Groove with a rounded bottom to embellish solid wood surfaces. It can be used in handheld, table-mounted and CNC routers, Guided with an edge guide, fence, or in conjunction with a template guide Bushing, #56112, diameter (D): 3/4, radius (r): 9/64, cutting height (B): 1/2, shank (D): 1/2, overall length (L): 2-3/4, R1: 5/32, flutes: 2, 56112 carbide Tipped plunging classical 9/64 radius x 3/4 dia x 1/2 x 1/2 inch shank