Commercial Adjustable Spring Hinge
- 4-1/2 inch, square corner design.
- An excellent alternative to more expensive overhead closers.
- For use on fire doors, hotel room doors, and apartment interior doors.
- Meets NFPA80 standard for a 3-hour fire rating.
- UL rated (minimum of two springs hinges needed).
- Grade 1.
- Includes machine and wood screws.