[High-Quality Materials]Our trolley is crafted from solid steel, offering exceptional resistance to impact, , and rust. Built to last, it ensures long-term reliability even in demanding environments [Strong Load Capacity]Designed with a solid bearing steel pin shaft, this hoist trolley can support weights up to 500 pounds. Its robust construction prevents breakage, making it ideal for heavy-duty applications in construction, warehouses, and workshops [Smooth & Silent Operation]Equipped with quality bearings, our 4 wheel trolley assembly operates smoothly and quietly. Whether used in a ceiling trolley system or with an electric lift, it provides high stability and low noise for a more comfortable working environment [Universal Compatibility & Easy Installation]The strut channel trolley roller is compatible with 1-5/8inchwide and all 1-5/8inch or taller strut channels, making it versatile and easy to install. The 1/4 inch thick steel plate features three screw holes for quick and secure mounting using M6 bolts, saving you time and effort, Manufacturer: Akfldms