Mounting 5inch-Caster-021 is the solution of making your project to move around by pushing. This caster is rolled on a wheel that has 125mm diameter/4.921" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The overall height of the caster is 167mm or 6.575" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. The Double ball beaing design will enable the Polypropylene core and Polyurethane tire to roll easily with a core made of Polypropylene core and Polyurethane. Bearing in mind that every caster wheel has the load capacity of 507 lb with a Fixed type. The temperature range is -40 to 180 F. Remember, you will have to buy the 5inch-Caster-021 in order to have it :).