I-Beam trolley has been designed specially to hang SPRING BALANCER in weld shop, Assembly Line for suspending Transformer, Welding Gun and Pneumatic Tools, in Automobile manufacturing Plants.This I-Beam Trolleys are rugged in construction made from High Graded steel Plates and Rollers. Good quality pre lubricated roller bearing makes trolley effortless to move on I-beam. Provisioned with Rubber shockers mounted on side plates prevent collision with other Trolleys.