P528 - 28 in. Garage Door Plug-End Extension Spring (0.207 in. No. 5 Wire) (Pack of 2)$$Tools & Hardware Other

Description: 28 in. Plug-End Extension Spring (0.207 in. No. 5 Wire) Category: Garage Door Extension Springs Material: Fabricated with high-grade steel Execution Factors: 2 x P528 lifts 105-175 lb. door; 4 x P528 lifts 200-350 lb. door Cone Type: Plug-end extension spring with safety containment rod Includes: Pack of 2 Plug-End Extension Springs Overview: P528 28 in. Plug-End Extension Spring is a Holmes spring replacement for heavier 1-piece / tilt-up / canopy-style garage doors. Two P528 springs - one on each side of the door - can handle a 105 lbs. to 175 lbs. door, with an initial tension of 135 lbs. to 145 lbs. Four P528 springs - two on each of the door - can handle a 200 lbs. - 350 lbs. door. Either 4 c-hook's or 4 w-hook's (sold separately) are required to connect the springs to the jamb hardware. Safety Contaniment Rod - If and when spring breaks, the coils will remain wrapped around middle rod for protection A door weighing between 105 and 175 pounds can be supported by two P528 springs, each of which has a starting tension of between 135 and 145 pounds. A door weighing between 200 and 350 pounds can be supported by four P528 springs, two on each door.