Solid Polyurethane Wheels, resistant to most chemicals, oils, acids, greases and other icky stuff.
No tread separation, rusting, water absorption or floor-marking, Excellent for wash-down situations or applications in or around a lot of water
Double Precision Ball Bearings feature a sealed, hardened inner and outer raceway, and hardened steel balls, press-fitted into the hub for high-load and higher speed capabilities