ZhenT Heavy Duty Replacement Extension Garage Door Spring Stretch Spring 2-Pack

Anti-rust:high Quality Material With Coat For Corrosion Resistance ,these Springs Are Easy To Clean And Not Tend To Rust No Matter Indoor Or Outdoor. 90 Pound Weight Capacity:spring For 90 Pound Garage Door Using Extension Spring System,use A Scale To Weigh The Door If Unsure Of The Weight Of The Door. Resurret Your Old Garagedoor:these Upgraded Extension Garage Door Springs Are Designed To Replace These Rusted,worn Out,dangerous Springs And Refresh Your Old Garage Door. Heavy Duty:these Springs Are Made Of High Quality Heat Treated Spring Steel,tested To Be Durable And Long-lasting. Rated For 15,000 Cycles (a Cycle Is 1 Open And 1 Close).