Make your life easier, have big objects easier to Maneuver using the VXB004060PP Wheel Caster. The wheel diameter is 60mm or 2.362" inch in inches. The thickness of the wheel is 30mm or 1.181" inch. Overall height of the wheel caster is 92mm = 3.622" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and holes distance of 45mm x 72mm. Low drag was achieved by a Polypropylene core on a Polypropylene tire spinning freely with a Double ball bearing. Each caster will carry the load of 132 lb and is Swivel type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB004060PP in order to get one :).