The Vevor manual trolley is a heavy-duty push beam trolley designed for lifting applications on I-beams and H-beams. Built from alloy steel, it supports up to 4400 lbs and features an adjustable width range from 2.5" to 8" for versatile beam compatibility. Dual wheels help it move smoothly along straight and curved beams, while added safety components enhance secure operation. Its compact design and manageable weight make it suitable for garages, warehouses, construction sites, and industrial environments.