Constant Force Springs — In Stock for Consistent Load Applications

Lee Spring's in-stock constant force springs are flat coiled springs that deliver a nearly uniform load throughout their deflection range making them ideal for counterbalance mechanisms, window regulators, retractors, power cord reels, and cable management systems. Unlike conventional springs, constant force springs exert the same force at every point of extension, simplifying design calculations for motion-sensitive applications. All stock constant force springs ship include a Certificate of Compliance and free ground shipping options. Learn more about Constant Force Springs.