Heavy weight capability and Durability made the wheel casters like the VXB004100PVC a must use, get your do it yourself object move around. Diameter size of the caster wheel has a metric standard 100mm which is equal to 3.937" inch with imperial units. The wheel has a width of 30mm=1.181" inch. The caster dimensions heightwise is 130mm/5.118" inch. Mounted via a Top Plate that has the size of 93mm x 62mm and the holes distance of 73mm x 45mm. The weehl core material is Polyvinyl Chloride and has a Polyvinyl Chloride tire with a low friction Double ball bearing. Each caster will carry the load of 198 lb and is Swivel type. Temperature range is -40 to 180 F. Buy the VXB004100PVC now, just add the quantity to basket and click on Checkout.