Make your life easier, have big objects easier to Maneuver using the VXB005100APVCB1 Wheel Caster. And rolling on wheel that has 100mm diameter/3.937" inch. The wheel has a width of 50mm=1.969" inch. Overall height of the wheel caster is 142mm = 5.591" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. The weehl core material is Polyurethane and has a Polyurethane tire with a low friction Double ball beaing. Each caster will carry the load of 441 lb and is Side brake type. Temperature range is -40 to 180 F. Very important notice, you need to buy the VXB005100APVCB1 in order to get one :).