Rub collar (sold separately) for 1-1/4" Arbor only!, #SC562, (D) diameter: 3-9/16, (D) bore: 1 & 1-1/4, (B) Cutting height: 1-3/8, (r) radius: 9/32, C: 3/8, L: 7/16, optional rub collar: c-019, T: 1/4, SC562 2-piece carbide Tipped 3-Wing stile & rail bead cabinet door 3-9/16 dia x 1-3/8 x 9/32 radius x 1 & 1-1/4 bore set for 1 inch material