4 Wheel Heavy Duty Trolley Assembly Roller for Barn Doors or Shed Sliding Doors, Compatible with 1-5/8" Wide or All 1-5/8" or Taller Strut Channel(2 Packs)

High-Quality MaterialsOur unistrut trolley is crafted from galvanized steel , offering exceptional resistance to impact, corrosion, and rust. Built to last, it ensures long-term reliability even in demanding environments | Strong Load CapacityDesigned with a solid bearing steel pin shaft, this hoist trolley can support weights up to 600 pounds. Its robust construction prevents breakage, making it ideal for sliding garden fence, sliding heavy Barn or outdoor shed sliding doors | Smooth & Silent OperationEquipped 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 InstallationThe strut channel trolley roller is compatible with 1-5/8" wide and all 1-5/8" 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 | Quality Assurance & Usage TipsWe stand by the quality of our trolley assembly. If you have any questions or issues, our support team is here to help. For optimal performance, we recommend using the strut channel horizontally