Utilizing VXB005150ATPR makes it feasible to pull and push items instead of transport And rolling on wheel that has 150mm diameter/5.906" inch. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 195mm = 7.677" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 100mm x 115mm and holes distance of 75mm x 85mm. Low drag was achieved by a Polypropylene core and Thermoplastic Rubber core on a Polypropylene core and Thermoplastic Rubber tire spinning freely with a Double ball beaing. Each caster will carry the load of 617 lb and is Swivel type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005150ATPR in order to get one :).