Feature:1. 6 Wheel Trolley Assembly: The roller trolley assembly features 6 wheel design and uses welding bearings and pin shafts for strong stability, ensuring safe and reliable operation.2. Applicable Range: This 6 rollers trolley assembly has a load capacity of 255KG and a breaking load capacity of 3000KG, suitable for all 15/8in or higher strut channel roller trolley.3. High Strength S45C: The roller trolley assembly is made of high strength carbon steel (S45C), with CNC machining and full penetration welding, greatly extending its service life.4. Low Noise Bearings: The 6 roller trolley assembly uses deep groove ball bearings to ensure smoother operation and no noise, making it suitable for more usage environments.5. For Hoist Installation: Including 2 pieces 6 wheel trolley assembly, suitable for electric hoist installation, with good impact and corrosion resistance, can be used with confidence.Specification:Item Type: 6 Wheel Trolley AssemblyMaterial: Iron, S45CLoad Capacity: Approx. 255KG / 562lbsBreaking Load: Approx. 3000KG / 6613lbs.Package List:2 x Roller Trolley AssemblyNote:1. There is a slight error in size.2. Screw not included. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.