Product Description JET HDT Series Manual Trolleys are available in capacities from 1/2 ton to 5 tons. They are designed for low maintenance, trouble free use on wide-flange H-beams, standard I-beams, or curved track. Each JET Manual Trolley conforms to OSHA regulations and ANSI/ASME standards. From the Manufacturer If you are ready to get moving in your shop, the JET HDT-1 manual trolley is right for you. With a considerable 2200-pound capacity, this hoist comes standard with a selection of spacer washers for quick adjustments to fit beam flange widths. Hardened wheels with double sealed, permanently lubricated bearings are ideal for wide-flange H beams, standard I beams, or curved track.