#55428, diameter (D): 1-15/32, radius (r): 1/4, cutting height (B): 1, shank (D): 1/2, overall length (L): 2-13/16, B1: 55/64, T: 7/32, replacement bearing: 47706, R1: 5/64, L1: 2-15/16, flutes: 2, C: 1/2, 55428 carbide Tipped 2-piece architectural stile and rail 1-15/32 DIA x 1 inch x 1/2 shank Set