Description Category 2 - Oliver Lift Arm Replacement Ball - Replaces Oliver 104591A - Fits all models with Claw Type Lift Arms - 1 3/4" thru bore - Zinc plated. This item is a suitable alternative for the following: 873-246, 104591A, 2472B246, 03056, 3056, 70000-16592, 7000016592, A-RB06, ARB06, B2046, B246