Minimization of possible untoward effects on operator by installing VXB004075HPVC just ask your operator to push and pull, but not carry. And rolling on wheel that has 75mm diameter/2.953" inch. The wheel has a width of 30mm=1.181" inch. Overall height of the wheel caster is 105mm = 4.134" inch. Top Plate is the method of installing the caster to your equipment, here are the dimensions 93mm x 62mm with the holes distance of 45mm x 72mm. This caster wheel core material is Polyvinyl Chloride and has a Polyvinyl Chloride tire spinning over Double ball bearing. Each caster will carry the load of 132 lb and is Swivel type. The caster temperature range = -40 to 180 F. Buy our VXB004075HPVC, we wish all the best.