scottchen PRO Garage Door Safety Cable for Extension Springs Galvanized Carbon Steel 8-1/2 ft x 1/8" 7x7 Strands - 1Pair

【Product Function】This safety cable is designed to be inserted into the extension spring, helping to contain the spring in the unlikely event of a breakage, thereby supporting household safety. Designed specifically for garage doors that use extension spring systems. Not compatible with torsion spring mechanisms. 【How to Use】Measure the length of your current garage door spring to confirm compatibility. Attach the safety cable through the center of the extension spring. Secure both ends with the included S-hooks to the anchor points on the garage door and the track system. Ensure the cable is taut and properly fastened before operation. 【Package Included】The garage door safety cable kit includes 2pcs cable, and 2pcs separate S hook, let the installation work easily. 【Material & Strength】Made of 1/8" diameter galvanized aircraft-grade steel cable with a 7x7 construction (7 strands, each containing 7 wires), bearing 220lbs strength. 【Size Note】Each cable measures 8-1/2 feet in length. Please verify your garage door’s required cable length before purchasing.