Make your life easier, have big objects easier to Maneuver using the VXB005150BC Wheel Caster. Diameter size of the caster wheel has a metric standard 150mm which is equal to 5.906" inch with imperial units. The thickness of the wheel is 50mm or 1.969" inch. The caster dimensions heightwise is 193mm/7.598" 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. This caster wheel core material is Black Cast iron and has a Black Cast iron tire spinning over Roller bearing. Each caster will carry the load of 617 lb and is Swivel type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005150BC in order to get one :).