Heavy weight capability and Durability made the wheel casters like the VXB004075PVCF a must use, get your do it yourself object move around. And rolling on wheel that has 75mm diameter/2.953" inch. The thickness of the wheel is 30mm or 1.181" inch. Overall height of the wheel caster is 105mm = 4.134" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 93mm x 62mm and 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. Maximum load calpacity that should not be exceeded on each wheel, remember to add safety factor, when calculating the load capacity 176 lb with a Rigid type. The caster temperature range = -40 to 180 F. Buy our VXB004075PVCF, we wish all the best.