An Extension Spring is a type of mechanical spring that is designed to resist stretching or pulling forces. It is made from round wire and features hooks on each end that allow it to be attached to other parts. When the spring is pulled or stretched, it stores potential energy, which is released when the force is removed, causing the spring to return to its original length.Attributes:• 180-degree spring end orientation, the ends of the spring are oriented in opposite directions, with one end pointing up and the other end pointing down• Manufactured to precise specifications and are built for durability and reliabilityApplications:An Extension Spring is used to resist stretching and provide a force that pulls the link unit toward the plate unit.