3″ Solid Elastomer Wheel With 1/2″ Precision Sealed Ball Bearing 2-5/16″ Hub 900Lbs CapacityW-403-PSEEasy Rolling, Shock Absorbing and Extremely QuietNo Flat SpottingResistant to wide range of chemicals
3″ Solid Elastomer Wheel With 3/8″ Precision Sealed Ball Bearing 1-3/4″ Hub 500Lbs CapacityW-73-PSEEasy Rolling, Shock Absorbing and Extremely QuietNo Flat SpottingResistant to wide range of chemicals