1 x Single Shower Door Roller /Runners/Rollers 19mm Wheels Diameter MER02 Screw Length_20mm A - Screw diameter: 6mm

A  - Screw diameter: 6mm

B  - Screw length: 17mm

C  - Diameter of hole in glass: 4

B  - Width of wheels: 5mm

Top rollers are height adjustable and bottom rollers are spring loaded to allow the door to be lined up to mate with the frame or magnetic seal where you have a pair of doors

1 x Single Shower Door Roller /Runners/Rollers 19mm Wheels Diameter MER02 Screw Length_20mm A - Screw diameter: 6mmSingle Shower Door Roller Unit Description: 1 roller supplied. Top quality product. 100% new. Fitted top or bottom of shower door. Suits Merlyn Old Series 5 and other showers. Specifications: A Wheel diameter: 18. 8mm by 4. 8mm. B Overall length: 29mm. C Diameter of hole in glass: 6mm. D Distance from the wheel to the face of the glass: 12mm Materials: Marine grade (304) stainless steel balls. Postage to UK mainland and worldwide. If you still cannot