Rub collar (sold separately) for 1-1/4" Arbor only!, #SC584, (D) diameter: 3-9/16, (D) bore: 1 & 1-1/4, (B) Cutting height: 1-5/8, (r) radius: 13/64, C: 7/8, L: 9/16, optional rub collar: c-018, T: 1/4, SC584 2-piece carbide Tipped 3-Wing stile & rail bead & cove cabinet door 3-9/16 dia x 1-5/8 x 13/64 radius x 1 & 1-1/4 bore set for 1-3/8 Material