Rub collar (sold separately) for 3/4" Arbor only, #998, (D) diameter 3-3/4, (D) bore 1/2 & 3/4, (a°) angle 45º, (B) Cutting, height 1, B1 3/8, D1 2 Description Lock mite, optional rub collar c-006, 998 carbide Tipped 3-wing Lock Miter 45 deg x 3-3/4 dia x 1 x 1/2 & 3/4 Bore