SKTREX 4 Wheel Silent Trolley Assembly Rollers Four Bearing Trolley Assembly

✔️【Heavy-Duty Build】 Bearing Trolley Assembly Made with Hot-Rolled Carbon Steel of solid steel for impact resistance. Galvanized to ensure rust resistance of wheeled trolleys. Smooth and noiseless during use, bearings and pins are firmly welded, work stably, Resulting In Incredible Strength and Quality! ✔️【Design load】320 lbs at 600 rpm; 450 lbs at 300 rpm; 650 lbs at 100 rpm. Break strength: 5511 lbs. ✔️【Trolleys Size】M10 (3/8inch) Bolt in the middle, 80mm (3.15inch) in length.For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel. ✔️【Rust-proof design】Channel Trolley body hot-dip electrogalvanized steel,Eye nut and M10 bolt are made of stainless steel. ✔️【Quality Service】For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel.If you have any issues with the Wheel Trolley then just let us know and we will solve it for you within 24 hours to ensure you are completely satisfied., Weight: 3.87572656596 pounds, Manufacturer: SKTREX