PU(Polyurethane) has high elasticity, wear resistance, no noise, shock absorption and other characteristics. Often used in factory, warehouse, hotels, schools, and furniture, health and environmental protection, no interference.
Double balls bearing wheel core + metal shell + high-strength metal bracket, Flexible steering at 360°, durable, strong bearing capacity, not easy to wear. Can adapt to hard floors, carpets.
It is a common hardware accessory for large equipment and small equipment.
Hardware accessories, DIY. It is used in industrial transportation, adapts to high temperature environment, no noise and wear resistance.
4 per set