Features: 1.Very sturdy, strong and move furniture easily 2.Made of heavy duty iron and PU,move quietly and smoothly,safe for all floors including hardwood 3.With M8 thread stem, Load Rating: 240kg (60kg each) 4.Apply to Goods Shelf, Storage Rack,Trolley, kinds of Furniture etc. Specifications: Material: Polyurethane Color: Black Thread: M8 Load Rating: 240kg (60kg each)g Wheel Diameter: 41mm/1.57inch Size: Size: 4x3.7x9cm/1.57x1.45x3.26inch(LxWxH) Weight: 600g Package include: 4 x Caster Wheel.
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