●【Caster Details】- Wheel Size Dia. x Wid.:75x50mm ; Top Plate Size:100x100mm ; Installation Size:80/77.5x80/77.5mm ; Bolt Hole Size:11mm ; Overall Height:105mm ; 4 Caster Total Load Capacity:5300Lbs/2400kg ●CE / EN / JIS / NSF / ROHS COMPLIANT ●High quality - Non-Marking hi-temp nylon wheels,thick bracket,high strength double bearing,double bearing top plate,and fine assembly process,which bring your project a lagest loading capacity and safety ●Universal and widly use - The wheels can be used for a multitude of applications including: Flight Cases, Instrument Cases, Display / Exhibition Equipment, Dollies, Tool Boxes, Light Machinery, Equipment Stands, Mobile Workstations, Speakers, Cabinets, Stands, Amps, Electrical Enclosures, Furniture etc ●365 days warranty - We are very confident in the quality of our products, and we provide a one-year warranty from the time of order. You can contact us by email at any time, and we are glad to help you. However, please note that man-made damage is not covered by the warranty