Mounting VXB005C150CPU is the economoical solution of building project to move around by pushing or pulling. Spinning on wheel that has 150mm diameter/5.906" inch. Sizes of the caster wheel is 50mm (1.969" inch). The caster dimensions heightwise is 200mm/7.874" inch. Mounted via a Top Plate that has a size of 115mm x 100mm x 6mm and the holes distance of 72mm x 85mm. The weehl core material is Cast Iron and Polyurethane and has a Cast Iron and Polyurethane tire with a low friction Roller bearing. Having in mind that every caster wheel has the load capacity of 992 lb with a Swivel type. The caster wheel temperature range = -40 to 180 F. FYI, you will need to buy the VXB005C150CPU in order to get one :).