Heavy weight capability and Durability made the wheel casters like the VXB005200CPUF a must use, get your do it yourself object move around. Diameter size of the caster wheel has a metric standard 200mm which is equal to 7.874" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. Overall height of the wheel caster is 241mm = 9.488" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. Low drag was achieved by a Iron core and Polyurethane core on a Iron core and Polyurethane tire spinning freely with a Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 838 lb with a Fixed type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005200CPUF in order to get one :).