- Can be found on Keller and a variety of other sliding vinyl patio door manufacturers
- 1/4-20 threaded mounting hole on the back end and an optional use 10-32 threaded hole on the top of the housing
- 1-1/4 in. concave ball bearing steel tandem roller
- Made of stamped steel
- Easy to install
- Adjustment screw in front of housing
- A Phillips head screwdriver is required for Installation
- For further dimensional information, please see the line drawing