Make your life easier, have big objects easier to Maneuver using the VXB20064HHLRB Wheel Caster. And rolling on wheel that has 64mm diameter/2.520" inch. The wheel has a width of 64mm=2.520" inch. Overall height of the wheel caster is 84mm = 3.307" inch. Mounted via a that has the size of 60mm x 60mm and the holes distance of 129mm x 74mm. Low drag was achieved by a Polyurethane core on a Polyurethane tire spinning freely with a Roller bearing. Each caster will carry the load of 77 lb and is Swivel and Upper Brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB20064HHLRB in order to get one :).