Balmar Universal Adjustment Arm - Offset [UAA2]Universal Adjustment Arm Offset Universal Adjustment Arm for the Belt Buddy with a 1 2 offset for certain mounting applications which require an offset. This part number is for the Arm Only, It does not come with the Belt Buddy Adjustment Mechanism. The Belt Buddy Mechanism which goes with the UAA2 is part number BB, grouped together the set is part number UBB2. The Belt Buddy Mechanism which goes with most any adjustment arm is part number BBU. The