Mounting 5inch-Caster-017 is the solution of making your project to move around by pushing. This wheel caster has a wheel diameter of 125mm or 4.921" inch in inches. The wheel has a width of 50mm=1.969" inch. The Caster with the wheel from end to end is 164mm = 6.457" inch. Mounted via a Top Plate that has the size of 115mm x 100mm x 6mm and the holes distance of 72mm x 85mm. The Double ball beaing design will enable the Aluminum core and Rubber tire to roll easily with a core made of Aluminum core and Rubber. Each caster will carry the load of 441 lb and is Fixed type. Last and not least the temperature range = -40 to 180 F. Remember, you will have to buy the 5inch-Caster-017 in order to have it :).