Hendo industries manufactures an overhead push pull trolley for automobile welding shops. This i-beam overhead trolley is designed specially to be used along with spring balancers for 3-dimensional movement on x-y-z axes. This overhead trolley is available in three models for suspending transformers, welding guns and kickless cables. These can be suspended on overhead rails for fatigue free working. The trolley is rugged in construction made from steel side plates and graded cast iron rollers with good quality roller bearings, steel shafts and nitrile rubber shock absorbers. This overhead trolley is powder coated for good surface finish.