Moves large items quicker using the VXB004100PP. And rolling on wheel that has 100mm diameter/3.937" inch. The thickness of the wheel is 30mm or 1.181" inch. The caster dimensions heightwise is 130mm/5.118" 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. The Double ball bearing design will enable the Polypropylene tire to roll easily with a core made of Polypropylene. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 198 lb with a Swivel type. The caster temperature range = -40 to 180 F. Very important notice, you need to buy the VXB004100PP in order to get one :).