Garage Door Extension Spring ReplacementSpecifications:Designed for a 7 Foot Garage Door (25-42-120)Meaning the spring is 25 inches at rest and 42 inches when the garage door is down.Color: Black with green rating color on spring ends.Overall Length: 28 InchCoil Length at Rest: 25 InchCoil Inside Diameter: 1-1/2 InchCoil Wire Size: 0.175 Inch (Note: 20 coil length is 3-3/4″)Spring Ends are Double Closed LoopMid Weight (Green) Rated 120 Lbs.Soldindividually.MFGRP0585