2 rollers supplied All time best seller Chrome plastic gives an appealing look. This unit also features a swivel action so as to fit curved and quadrant showers Suitable for Aqualisa, aquaflow, Ideal Standard, CEDA, Merlyn, Pascific Offset quadrant and many other showers.Manufacturer: Shower Part Package Quantity: 2 Part Number: D3-MLQE-XLHG Style: MagneticA set of two double shower door bottom rollers/runners. This product is an all time best seller. The truck is held in place with a screw and they are spring loaded to allow the door to be lined up to mate with the frame or magnetic seal where you have a pair of doors. Chromed plastic gives an appealing look. This shower door replacement part also features swivel action so as to fit curved and quadrant showers. A variety of wheel diameters available as well as matching top rollers. This shower door roller suits Aqualisa, Aquaflow, Ideal Standard, CEDA, Merlyn 5, Pacific Offset quadrant, and the majority of other showers. Wheel diameter options - 20mm, 23mm, 25mm, or 27mm, wheel thickness is 5.8mm, diameter of the hole in the glass - 8mm, glass thickness - 6mm, distance between the centre of the fixing hole and the edge of the glass - 18.5mm. Used materials include 304 stainless steel micro-bearing and POM zin alloy brass axis that will never rust.