14 - 25 Ton Lifting Capacity Ingersoll Rand's ULM2 and ULM2S have been designed to offer our lowest headroom possible, maximizing lifting capacities for areas with height restrictions. Key Features Meets ASME B30.16 SpecificationsAll steel construction for external impact resistanceForged steel load hooksChill-hardened, machine tread trolley wheels with 2 precision bearings per wheelSwivel trolleys available to travel extremely tight radius, (as tight as 21 feet) for track without sacrificing headroom for capacities up to 6 ton2 roller thrust bearings used in trolley capacities 3 tons and larger for longer life and reliabilityCorrosion resistant zinc plated hand chain