Transport and position your materials with ease using Labelmaster's Manual Trollies. These designed to easily adjust to the width of virtually any S, H, W and M type I-beam with a manual screw mechanism. The trolley includes a locking ring to prevent its width from changing accidentally, and the manual screw mechanism may also be tightened to prevent it from moving. Each includes four rollers and a lifting eye. Trollies can support from 1000 - 8000-lb. capacity and fit from 2 1/2 - 11 1/2-in. beam flange width. We know how vital is it for your business to keep its supply chain moving, so we go great lengths to ensure that our products are made of the highest quality and meet all applicable regulations.