This stile & rail set is great for making cabinet doors. Rub collar for 3/4" Arbor only!, #SC442, (D) diameter: 2-11/16, (D) bore: 1/2 & 3/4, (b) Cutting height: 1, (r) radius: 5/16, C: 3/8, L: 7/16, R1: 3/16, optional rub collar: c-007, c-010, T: 1/4, SC442 2-piece carbide Tipped 3-wing stile & rail Ogee cabinet door 2-11/16 DIA x 1 x 3/16 x 5/16 radius x 1/2 & 3/4 Bore set for 3/4 material