E900 HARDWARE SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)

The E900 HARDWRARE SL728 28 in. Lock-End Extension Spring is a Holmes spring replacement for most one-piece garage doors. 2 x SL728 springs can handle up to a 150 lb. door while 4 x SL728 springs can handle up to 300 lbs.. SL728 springs are also a popular installment for lifting toy hauler doors.

• Lock-end extension spring with safety containment rod
• For use with single-panel garage doors, toy hauler doors, etc.
• 2 x SL728C lift 90-150 lb. door; 4 x SL728C lift 150-300 lb. door