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