Vestil Cst-Fc47-6X2Dt-Swb Duratough Polyurethane Swivel With Brake Caster 6″ Diameter X 2″ Width 900 Lb. Capacity, Green/Black

Professional grade liquid cast 100% polyurethane mechanically bonded to an engineered flow-through polyolefin core. The unique polyurethane formula can avoid disintegration problem which the usual plastic wheel would face, and provides 5 times longer wheel tread life than general wheels. Duratough polyurethane wheel has a high resistance to floor particles. The wheel reduces unwanted noise and light weight for ultra-ergonomic performance.