Heavy weight capability and Durability made the wheel casters like the VXB20060GPPRB a must use, get your do it yourself object move around from our Toronto biz. Spinning on wheel that has 60mm diameter/2.362" inch. The thickness of the wheel is 60mm or 2.362" inch. The Caster with the wheel from end to end is 80mm = 3.150" inch. Mounted via a Top Plate that has a size of 47mm x 47mm and the holes distance of 129mm x 74mm. The weehl core material is Polypropylene and has a Polypropylene tire with a low friction Roller bearing. Having in mind that every caster wheel has the load capacity of 66 lb with a Swivel type. Ambient temperature range is -40 to 180 F. Buy the VXB20060GPPRB now, we ship on the same day.