4 X Chrome Single Shower Rollers/Runners/Wheel Replacements (23mm)

Set of 4 Shower Door Rollers (2 Upper and 2 Bottom). For curved and quadrant showers, hole centers are approximately 26mm apart. Material: ABS chrome, zinc alloy. Bearing. Wheel diameter: 23 mm; wheel width: 5.5 mm. Minimum hole size in glass: 11mm Maximum glass thickness: 6 mm. There is no noise and glides easily. Easy to install and maintain