Butterfly Shower Door Rollers\n \nDescription:\n--4 rollers supplied (2 top, 2 bottom).\n--Luxurious top quality product.\n--100% new.\n--Top rollers are height adjustable to allow the door to be lined up to mate with the frame or magnetic seal where you have a pair of doors.\n--Bottom rollers are spring loaded.\n--Swivel action to also fit curved and quadrant showers.\n--Fits Aqua showers and many others.\n \nSpecifications:\n--These rollers fit glass shower doors with 2 glass holes 26mm apart.\n-- A  - Wheel diameter: 23mm.\n-- B  - Wheel thickness: 6mm.\n-- C  - Diameter of hole in the glass: 7.5mm.\n-- D  - Glass thickness: 4-6mm.\n \nMaterials:  \n--304 stainless steel micro-bearing.\n--POM zinc alloy brass axis  - never rust.\n Postage to UK and worldwide. \n \nIf you still cannot find the part you are looking for or need to ask any additio.