1 x Shower Door Bottom Roller/Runner 21mm Wheels Diameter Merlyn E4 Face of the glass to the wheel_23mm F - Distance from the

F - Distance from the face of the glass to the wheel: 27mm

C  - Diameter of hole in glass: 8mm

Double Shower Door Roller

A  - Wheel diameter: 21mm

Suits Curvetemp and other showers

1 x Shower Door Bottom Roller/Runner 21mm Wheels Diameter Merlyn E4 Face of the glass to the wheel_23mm F - Distance from theTwin Double Bottom Shower Door Roller For Sliding Shower Door Description: 1 bottom roller supplied. 100% new and high quality. Flat wheels. Upgraded product from previous design (see photos). The truck is held in place with a nut. This roller fits glass sliding shower doors. Swivel action to also fit curved and quadrant showers. Suits Merlyn Old Series 5 and other Showers. Matching top roller also available to buy. Specifications: A Wheel diameter: