This 0.289-inch wire torsion spring is designed for residential garage doors and includes pre-installed winding and stationary cones. The available options include 1 3/4-inch and 2-inch inside diameters and lengths between 35 and 60 inches. Left wind, right wind, and pair configurations are available. The spring is rated for approximately 10,000 operating cycles. For the correct fit, verify the wire diameter, inside diameter, length, and wind direction of the original spring.