Hook End Extension Spring .043 Wire 3/8-Inch

This 3/8-inch hook end extension spring with a .043-inch wire diameter and 2-inch overall length delivers reliable tensile performance for light-to-medium duty applications. Designed with hook ends for easy attachment and flexibility, it’s made from high-quality spring steel with good fatigue resistance. Ideal for restoring tension in assemblies where vibration, motion, or repetitive opening and closing occurs.