You need 2inch-Swivel-Caster-008 to have your office desk, equipment or even a machine to easily roll them around. This caster is rolled on a wheel that has 50mm diameter/1.969" inch inches. The thickness of the wheel is 50mm or 1.969" inch. The overall height of the caster is 48mm or 1.890" inch. Mounted via a Top Plate that has the size of 38mm x 38mm and the holes distance of 129mm x 74mm. Low drag was achieved by a Nylon and Polyvinyl Chloride core on a Nylon and Polyvinyl Chloride tire spinning freely with a Roller bearing. Each caster will carry the load of 55 lb and is Swivel type. Temperature range = -40 to 180 F. Enjoy our 2inch-Swivel-Caster-008, we wish all the best in your project.