Who said Canada do not sell caster wheel, eh? The VXB007065 can move your large heavy object. Wheel dia. is 65mm or 2.559" inch in inches. The thickness of the wheel is 23mm or .906" inch. The caster dimensions heightwise is 84mm/3.307" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 65mm x 54mm with the holes distance of 51mm x 38mm. Low drag was achieved by a Rubber core on a Rubber tire spinning freely with a Delrin bearing. Each caster wheel will carry the load of 66 lb and is Swivel type. The caster wheel temperature range = -40 to 180 F. FYI, you will need to buy the VXB007065 in order to get one :).