Designed for template shaping such as Arched or cathedral doors, etc. Features a ball bearing center with a steel sleeve and is available with either 1/2," 3/4" And 1-1/4" Inside diameter, #SC588, (D) diameter: 2-13/32, (D) bore: 1/2 & 3/4, (b) Cutting height: 1, (r) radius: 9/64, Description: classical reversible stile & rail shaper Cuttersc588 carbide Tipped 3-Wing classical reversible stile & rail 2-13/32 x 1 x 1/2 &3/4 bore For 1-inch material