These mount and are screwed to the bottom of the door with an adjustment screw accessed for the inside bottom rail of the door. The item is about 6 1/4 inches long and adjusting screw is in the center between the two rollers and access hole is about 4 inches from either end of the door on the bottom rail.
Emily from SWISCO
Jun 20, 2024 3:37 pm
EXPERT
Hello there!
The 81-018 and 81-182 come to mind. We don't sell the top cap so you'll have to reuse the old one if possible. Review the specifications for these parts and see how they compare with yours.
![How to Replace a Patio Sliding Glass Door Roller [1080p]](../../images/videoThumbnails/81.jpg)