Zinc Alloy Shower Door Runners 23mm Twin Shower Door Rollers 2top 2bottom 4pcs
Wheel thickness: 6mm(0.23in). These rollers fit glass where the distance between the centre of the fixing hole and the edge of the glass is <12mm(0.47in). 4x Double Zinc Alloy Shower Door Roller (2 top double +2 bottom double ).