Image Item No. Description  32195a  Technic, Steering Arm 6.5 x 2 with Tow Ball Socket Rounded, Un-Chamfered Catalog: Parts: Technic, Steering  2738  Technic, Steering Arm 6.5 x 2 with Tow Ball Socket Squared, Un-Chamfered Catalog: Parts: Technic, Steering  6540a  Technic, Steering Arm Large with Wheel Hub Holder - Pin Connection Catalog: Parts: Technic, Steering  2792  Technic, Steering Rack Top Catalog: Parts: Technic, Steering