Rub collar for 1-1/4" Arbor only, #985, (D) diameter 5-1/2, (D) bore 1 & 1-1/4, (B) Cutting height 11/16, (r) radius 3/4, B1 9/32, C 1-1/2, Optional rub collar c-017, 985 carbide Tipped 3-wing Ogee raised panel 5-1/2 DIA x 11/16 x 1 & 1-1/4 bore For 11/16 material