4 Top quality chrome plated zinc alloy replacement shower door rollers. 2 height adjustable uppers and 2 spring loaded lowers. Excellent quality heavy duty version of the popular AM06-4 Suitable for many different makes with 2 glass holes 26mm apart. Swivel action to also fit curved and quadrant showers. Wheel diameters 23mm x 6mm, - Set of 4 New twin wheel Shower Door Rollers (2 upper and 2 lower) AM06MA-4 - Excellent quality Zinc alloy with chrome plated covers. - Adjustable uppers sprung lowers 23.5mm X 6mm wheels - For curved and quadrant showers, hole centres approx 26mm apart - Quick dispatch usually the same day.