Heavy weight capability and Durability made the wheel casters like the VXB004075PVCF a must use, get your do it yourself object move around from our Toronto biz. Spinning on wheel that has 75mm diameter/2.953" inch. The thickness of the wheel is 30mm or 1.181" inch. The height of the wheel caster is 105mm = 4.134" inch. Mounted via a Top Plate that has a size of 93mm x 62mm and the holes distance of 73mm x 45mm. Low drag was achieved by a Polyvinyl Chloride core on a Polyvinyl Chloride tire spinning freely with a Double ball bearing. Maximum load calpacity that could not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 176 lb with a Rigid type. The caster wheel temperature range = -40 to 180 F. Buy the VXB004075PVCF now, we ship on the same day.