Excellent Performance: The garage door torsion spring can withstand at least 15000 cycles and is not easily lost in elasticity during use, with a long lifespan. You Will Get: A pair of garage door torsion spring, a pair of non-slip winding bars, you will receive as shown in the pictures Torsion Spring Set With Winding Bars For Garage Door GarageSpringF2C One Pair Of 2 Inch Garage Door Torsion Springs Set, Upgrade Door Spring Replacement Aazon.co: Buck Pair of 2 (0.207x2''x22'') Heavy Duty Garage Door... Process: The garage door torsion spring is made of professionally heat-treated spring steel coil and aluminum cone, with a longer lifespan, stable performance, and high reliability Pir of 2"Grge Door Torsion Springs Set with Non-Slip Winding Brs, Electrophoretic Coted (0.218X2"X32"). 5.0 rting Write review Specification: Wire Size: 0., 192 Inside Dimension: 2 Length: 16 Material: high-carbon steel, aluminium Minimum 15000 cycles Winding bar: It facilitates the control of tension winding and rewinding within the torsion spring Various Size: We offer a variety of door springs in different specifications to meet the needs of most users Please ensure that the wire diameter, inner diameter, and length of the spring you have selected are the same as the former spring