Thousands of different kinds using our Canada based business to select from to have your office Desk/chair sliding easily right and left, install the VXB007065PVCF. Dia. Measured of the caster wheel in metric standard 65mm which is equal to 2.559" inch with imperial units. The wheel has a width of 21mm=.827" inch. The Caster with the wheel from end to end is 88mm = 3.465" inch. Top Plate is the method of installing the caster to your equipment, dimensions are 65mm x 65mm with the holes distance of 49mm x 49mm. The Plain bearing design will enable the Polyvinyl Chloride tire to roll easily with a core made of Polyvinyl Chloride. Having in mind that every caster wheel has the load capacity of 44 lb with a Fixed type. The caster wheel temperature range = -40 to 180 F. FYI, you will need to buy the VXB007065PVCF in order to get one :).