Rub collar (sold separately) for 1-1/4" arbor only!, #SC593, (D) Diameter: 3-11/32, (d) Bore: 1 & 1-1/4, (B) Cutting Height: 1-31/32, (R) Radius: 25/64, C: 33/64, D1: 2-5/16, L: 9/16, Optional Rub Collar: C-040, T: 1/4SC593 2-Piece Carbide Tipped 3-Wing Stile & Rail Bead Exterior Door 3-11/32 Die x 1-31/32 x 25/64 Radius x 1 & 1-1/4 Bore Set for 1-3/4 Material