| Used primarily in stage installations with
medium or light weight curtains up to 36' (cord-operated
versions for straight applications only). |
| Model
170 |
Polyethylene ball-bearing
carriers |
| Model
171-N |
Use for slightly heavier operations (nylon-tired ball-bearing
carriers, cord-operated). |
| Model
171-R |
Use for slightly heavier operations (neoprene-tired
ball-bearing carriers, cord-operated). |
| Model
173 |
Use for walk-along applications only and has factory
curved section available. |