Our NEWHOUSE ELECTRIC Tall 4-Wheel Trolley Assembly lets you move equipment with reliability and ease. You get greater efficiency, better economy and easier installation. These trolleys are designed for seamless use on 1-5/8 in. strut channels for a broad range of contractor work. You can use our strut channel track rollers for a variety of overhead mobility applications including sliding doors, moveable dividers, welding curtains, pneumatic tools, die handling, material transfer, lubrication systems and more. Get strong support while using low-friction bearing surfaces so you can finish tasks more efficiently. Our galvanized steel channel trolley follows industry-standard manufacturing processes to produce strut accessories that won't easily warp or break. It's also zinc-electroplated to resist corrosion so you can install it in humid or wet weather conditions. You get a reliable mobility system that can withstand the elements for years. This particular model also uses maintenance-free steel roller wheels. Save time and maintenance effort on your ceiling track rollers. They use corrosion-free stainless steel wheel bearings that require no lubrication to keep them going. Each roller trolley has a weight-bearing load of up to 600 lbs. for higher tolerance support needs. Get more done on the job as you mobilize your preferred equipment.