The Vevor manual trolley is a heavy-duty push beam trolley designed for lifting applications on straight and curved I-beams and H-beams. Built from alloy steel, it supports up to 6600 lbs and features dual wheels for smooth movement along the beam. Its adjustable width from 2.5" to 8" helps it fit a wide range of beam sizes. Safety-focused components including a hexagonal nut, collision bumper, and anti-drop wire pin help provide secure operation. It is well suited for factories, warehouses, garages, and construction sites.