Specifications:

1. Material: PU wheel +steel fork and bolt
2. Ball bearing
3. Bolt size: 11x22mm or 10×22
4. Load capacity: 40-45kg each caster
5. Color of wheel, can be picture or all black
6. Packing: 5 pcs in a small box, then 12 boxes in a carton, box size:20×12.5×9.5cm, Carton size:54x21x31cm, one carton weight is 15.5kg.