These rollers fit glass where the distance between the centre of the fixing hole and the edge of the glass is 18mm. Suitable for most shower enclosures, shower cabins and steam cabin enclosures. The minimum hole size is 6mm.
4PCS Twin Shower Screen Door ROLLERS/Runners/Wheels Top Bottom 23mm Replacement
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4X 23MM Twins Shower Screen Door Rollers Runners Wheels TopBottom Replacemen