Feature:1. Reliable Operation: Conforms to standard design, the garage door torsion spring ensures stable door closing and opening without getting stuck.2. Steel and Aluminum: Consisting of steel coil and aluminum cone, the garage door spring is an excellent replacement for old and damaged parts.3. Better Workmanship: Electrophoretic coating together with heat treatment largely improved the durability against corrosion, wearing and long use.4. Premium Durability: This 218 garage door spring replacement can withstand salt spray test lasts for 300 hours, with a minimum of 16000 cycles.5. Quick Installation: Designed to have a light weight and a compact size as well, the door torsion spring is very convenient to install in minutes.Specification:Item Type: Garage Door Torsion SpringMaterial: Steel coil and aluminum cone. .Package List:2 xGarage Door Torsion Spring2 x Rod2 x Gloves