| - | Features |
|---|---|
| #1 | Used by Air Control, Howmet, Krestmark and a variety of other sliding patio door manufacturers |
| #2 | Plain back housing with 1/4-20 threaded mounting hole on back |
| #3 | 1-1/4 in. diameter concave steel roller |
| #4 | Stamped steel housing with ball bearing roller |
| #5 | Features rear screw adjustment |
| #6 | Used on metal framed sliding patio doors |
| #7 | A Phillips head screwdriver is required for installation |
| #8 | For further dimensional information, please see the line drawing |