E900 HARDWARE P728 28 in. Plug-End Extension Spring (0.177 in. No. 7 Wire)

P728 28 in. Plug-End Extension Spring is a spring replacement for 1-piece / tilt-up / canopy-style garage doors. Two P728 springs - one on each side of the door - can handle a 90 lbs. to 150 lbs. door, with an initial tension of 110 lbs. to 120 lbs. Four P728 springs - two on each of the door - can handle a 150 lbs. - 300 lbs. door. Either 4 c-hook's or 4 w-hook's (sold separately) are required to connect the springs to the jamb hardware.

• Plug-end extension spring with safety containment rod
• For use with single-panel garage doors, toy hauler doors, etc.
• 2 x P728 lifts 90-150 lb. door; 4 x P728 lifts 150-300 lb. door