Dust cover PU swivel plate caster wheels
Housing:
Made of pressed steel,zinc plated.
double ballrace swivel head
transparent dustproof seal
Wheel:
Material:Polyurethane
Hardness:90±5 Shore A
Bearing type:Precision ball bearing
Temperature:-20℃~80℃
Feature :
- CE / RoHS / ISO9001 certification passed,
- Polyurethane PU material, silence, Eco-friendly material,
- Wildly use in office chair,hand truck.