IF YOU WOULD LIKE TO RETURN YOUR ORDER, PLEASE CONTACT US FIRST.1 bottom roller supplied from our warehouse in Cornwall.23mm Wheel diameterLuxurious top quality product.100% new.The truck is held in place with a screw and this is covered with a chromed plastic cover making them pleasing to the eye and easy to clean.Swivel action to also fit curved and quadrant showers.Bottom rollers are spring loaded.Suitable for sliding shower doors.Suitable for Eastbrook Volente, Eastbrook en12150 and other makes and models.Specifications:Wheel Diameter: 23mm.Wheel thickness: 5.5mm.Diameter of hole in glass:10mm.Glass thickness:4-6mm.Distance between centre of fixing hole to edge of glass:17mmDistance from face of glass to the wheel: 19.5mmOTHER MATCHING PRODUCTS:-Top Roller - https://www.diy.com/departments/1-x-shower-part-eastbrook-top-zinc-alloy-shower-door-rollers-runners-23mm-wheel-diameter-es1/5060363612758_BQ.prdPostage to UK mainland and worldwide.If you still cannot find the part you are looking for or need to ask any additional questions please contact us.