Rub collar for 1-1/4" Arbor only!, #SC512, (D) diameter: 5-1/2, (D) bore: 1 & 1-1/4, (a°) angle: 10°, (B) Cutting height: 5/8, (r) radius: 13/64, C: 1/4, optional rub collar: c-017sc512 carbide Tipped 3-wing classical raised panel 5-1/2 DIA x 5/8 x 1 & 1-1/4 bore For 3/4 material