#SC597, (D) diameter: 2-1/2, (D) bore: 1/2 & 3/4, (a°) angle: 45º, (B) Cutting height: 1-1/4, C: 3/8, Description: beveled reversible stile & rail shaper Cutter, l: 3/8, T: 1/4, replacement ball bearing: 47757 (42mm x 3/4 x 9mm)sc597 carbide Tipped 3-wing beveled reversible stile & rail 2-7/8 DIA x 1 x 1/2 & 3/4 Bore For 1-1/4-inch material