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 VXB007065PF. Wheel dia. is 65mm or 2.559" inch in inches. The wheel has a width of 23mm=.906" inch. The Caster with the wheel from end to end 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. The weehl core material is Plastic and has a Plastic tire with a low friction -. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 110 lb with a Fixed type. Ambient temperature range is -40 to 180 F. FYI, you will need to buy the VXB007065PF in order to get one :).