Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB005125ATPR. And rolling on wheel that has 125mm diameter/4.921" inch. Dimensions of the caster wheel is 50mm (1.969" inch). Overall height of the wheel caster is 166mm = 6.535" inch. Mounted via a Top Plate that has the size of 100mm x 115mm and the holes distance of 75mm x 85mm. Low drag was achieved by a Polypropylene core and Thermoplastic Rubber core on a Polypropylene core and Thermoplastic Rubber tire spinning freely with a Double ball beaing. Bearing in mind that every caster wheel has the load capacity of 507 lb with a Swivel type. The caster temperature range = -40 to 180 F. Buy the VXB005125ATPR now, just add the quantity to basket and click on Checkout.