High-end Nylon core and Polyurethane PU core, with European top plate 105 x 85 mm, 160mm wheel diameters moves your heavy duty equipment and trolley smoothly.
Soft and Eco-Friendly Thermoplastic rubber TPR caster wheels locks with 4" 5" 6" and 8" , Double welding housing brings 507lbs to 705lbs load capacity. Rubber and Nylon caster wheels material is workable.