Heavy weight capability and Durability made the wheel casters like the VXB004075PPF a must use, get your do it yourself object move around. And rolling on wheel that has 75mm diameter/2.953" inch. Dimensions of the caster wheel is 30mm (1.181" inch). Overall height of the wheel caster is 105mm = 4.134" inch. Mounted via a Top Plate that has the size of 93mm x 62mm and the holes distance of 45mm x 72mm. Low drag was achieved by a Polypropylene core on a Polypropylene tire spinning freely with a 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. Temperature range is -40 to 180 F. Buy the VXB004075PPF now, just add the quantity to basket and click on Checkout.