4 x Replacement Shower Door Rollers/Runners/Wheels 19mm, 20mm, 23mm, 25mm or 27mm Wheel Diameter K040 Wheel Diameter:23mm Adjustable up and down to

Adjustable up and down to allow the door to be lined up to mate with the frame or magnetic seal where you have a pair of doors

D - Glass thickness: 5

A  - Wheel diameter: 24

1 roller including carrier supplied

A  - Screw diameter: 5

4 x Replacement Shower Door Rollers/Runners/Wheels 19mm, 20mm, 23mm, 25mm or 27mm Wheel Diameter K040 Wheel Diameter:23mm Adjustable up and down toReplacement Shower Door Rollers Description: 4 rollers supplied. 100% new and high quality. Large choice of wheel diameter 19mm, 20mm, 23mm, 25mm and 27mm (please choose from dropdown menu). Specifications: A Wheel diameter: 19mm, 20mm, 23mm, 25mm, 27mm (please choose from dropdown menu) by 6mm thickness. 5. 3 thickness for 20mm wheel B Overall length: 37mm. C Diameter of hole in glass: 11. 5mm. D Distance from the wheel to the face of the glass: 11.