A ready-to-install residential torsion spring made with 0.283-inch wire and supplied with both cones in place. Available sizes cover 1 3/4-inch and 2-inch inside diameters and spring lengths from 35 through 60 inches. You can select a left-wind spring, right-wind spring, or a pair. This spring is intended for common residential garage door torsion setups and is rated for roughly 10,000 cycles. Match all measurements to the spring being replaced before placing the order.