Pair of 2" Garage Door Torsion Springs Set with Non-Slip Winding Bars & Gloves, Precision Electrophoresis Black Coated Without Oil, for Replacement & Installation, MIN 16,000 Cycles(0.218x2''x26'')

HIGH QUALITY : We have upgraded the quality of spings by using 82B high quality spring steel, the service life of the spring has been greatly extended, much better than the common 72B spring steel.Made from heat-treated professional spring steel coils with aluminum cones to ensure they can withstand extreme weight. The electrodeposition coating technology provides excellent corrosion resistance and superior wear resistance. Salt spray tested for up to 300 hours and service life increased from 10,000 cycles to 16,000 cycles.Never need to lubricate the spring. CONVENIENT INSTALLATION If your garage door has a broken garage door spring, it is reasonably straightforward to replace if you are an experienced DIY enthusiast. This comes with the caveat that you need to be extremely careful when carrying out this procedure, as not following the correct safety measures can be dangerous. But if you know what you are doing and have a few basic tools on hand, you can save yourself a bit of cash by doing it yourself. We have included the installation instructions in the product, please follow the instructions on the specification.