Accessories attach to ram's forcing screw or support work on the press bed. The 34510 has a 3/4" diameter shank. The 34511 has a 1" diameter shank. Total weight 43 lbs. This set includes: 1124 bearing pulling attachment, 34510 ram pushing adapter, 34511 ram pushing adapter, 34807 V-pushing adapter, 1891 11-1/2" long V-blocks, 28229 ram forcing cap and 38953 threaded adapter.