Make your life easier, have big objects easier to Maneuver using the VXB010200PVCB Wheel Caster. Diameter size of the caster wheel has a metric standard 200mm which is equal to 7.874" inch with imperial units. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 250mm = 9.843" inch. Mounted via a that has the size of 180mm x 145mm Top Plate: 12mm+housing: 10mm and the holes distance of 140mm x 105mm. The Roller bearing design will enable the Polypropylene rim and and Polyvinyl Chloride tire to roll easily with a core made of Polypropylene rim and and Polyvinyl Chloride. Each caster will carry the load of 551 lb and is Swivel and Upper Brake type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB010200PVCB in order to get one :).