Rolltrak Shower Screen Replacement Roller 19mm SKU: 210400 MODEL: R4350 Error. try again later You've successfully joined the club $ 7 .48 each Mitre 10 Variants Bearing acetal convex roller with threaded metal hub axle. Features and benefits Diameter: 19mm. Load: 8kg each roller. Suits some shower, wardrobe and screen doors.