Trolley Assembly Electric Hoist Easy Installation Roller Trolley Silent for use with Unistrut 1-5/8" Wide and All 1-5/8" or Taller Strut Channel 2PCS (4 Wheels) - YaosiYeen, YSY-TROLLEY-2PCS

• Heavy-Duty & Solid Build：Our Trolley Assembly Made of high-strength carbon steel of solid steel for impact resistance. process with a full penetration Weld. High strength, Durable and rust resistance. Smooth and noiseless during use, bearings and pins are firmly welded, work stably, Resulting In Incredible Strength and Quality! With Safe, Stable & Smooth Bearings - Built-in 8 SUS420 stainless steel bearings, features a welded bearing and pin shaft to offer more durable and stability for safe use, and work smoothly without making any noise. Pls know that 8 wheels trolleys are more stable than 6 wheels and 4 wheels trolleys. Design load: 380 lbs at 600 rpm. 540 lbs at 300 rpm. 750 lbs at 100 rpm. Break strength: 6613 lbs. Provide up to 1.20 tons / 2800 lbs loading capacity Size for troller roller- Steel plate hole diameter-9/16”(14mm). thickness-2/5" (10mm). works in Various Positions: Can be used with Superstrut/Unistrut Channel 1-5/8" Wide and All 1-5/8" or Taller Strut Channel, or use it in your DIY projects, Can use upside down, and more application. you can set 2 directions of movement to make the hoist work in different positions. Electric Hoist Installation: the distance from the center of the hole at the bottom of the Uni-Strut Channel Trolley can meet the location requirements of the installation hole of different types of electric hoist. If fixing screws are installed inside the Strut Channel, the tram will not be able to pass the track, so the bolts securing the Strut Channel need to be installed outside the track., Manufacturer: YaosiYeen