This American Spring Company P730 - 2 in x 2 in x 30 in. P730 one piece garage door extension spring - 30 in plug end. ( sold separately ) Black Steel Garage Door Spring is for use on single or double garage doors.
- For use on single or double garage doors (sold separately)
- Compatible with one piece garage doors (sold separately)
- Steel construction
- Black finish
- Easy to Install