1. Oil tempered torsion springs designed for 50,000 life
cycles.
2. Cast iron stops.
3. 1/4" thick (minimum) steel plate brackets.
4. Heavy duty cast iron gears.
5. Structural angle guides and bottom bar.
6. Chain keeper.
7. Optional cylinder locks.
Hand push up operation limited to 80 square feet or 8' tall.
Standard finish: Gray, White or Tan
Copyright © 2009 - Amarr Garage Doors - 1-800-503-DOOR (3667)