VXB20040BPP2 is a device comprising a wheel that's connected to the base of a huge object like a trailers, your home furniture, even your truck to transfer the item more quickly and readily. them.You need {Item Name} to have your office desk, equipment or even a machine to easily roll them around. The wheel diameter is 40mm or 1.575" inch in inches. The wheel has a width of 40mm=1.575" inch. Overall height of the wheel caster is 50mm = 1.969" inch. Mounted via a Top Plate that has the size of 38mm x 38mm and the holes distance of 129mm x 74mm. This caster wheel core material is Polypropylene and has a Polypropylene tire spinning over Roller bearing. Bearing in mind that every caster wheel has the load capacity of 55 lb with a Swivel type. Environment temperature range is -40 to 180 F. Very important notice, you need to buy the VXB20040BPP2 in order to get one :).