Reduces the risk of a free falling door in the event of a cable breakage or cable disengagement
- For use w/2" track
- Maximum door weight: 550 lbs.
- Minimum door weight: 97 lbs.
- Minimum cable tension required: 5 lbs.
- Additional cable length required: 9"
- Maximum cable diameter: 3/16"
- For use w/standard, hi-lift & vertical lift doors