Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB0045100PU. And rolling on wheel that has 100mm diameter/3.937" inch. The thickness of the wheel is 40mm or 1.575" inch. The caster dimensions heightwise is 140mm/5.512" inch. Mounted via a Top Plate that has the size of 110mm x 100mm x 4mm fork:3.5mm and the holes distance of 85mm x 75mm. This caster wheel core material is Polyurethane and Polypropylene and has a Polyurethane and Polypropylene tire spinning over ball bearing. Bearing in mind that every caster wheel has the load capacity of 551 lb with a Swivel type. Temperature range is -40 to 180 F. Buy the VXB0045100PU now, just add the quantity to basket and click on Checkout.