Prime Line Products 150 lb. Extension Spring with Cable

The Prime Line Products 150 lb. Extension Spring with Cable provides dependable lifting support and balanced tension for residential garage doors. Built with durable carbon steel and double loop ends, this heavy-duty spring is rated for extended cycle life, ensuring long-lasting performance on sectional, overhead, and wood garage door systems. Equipped with a galvanized carbon steel aircraft safety cable, this extension spring assembly enhances overhead door safety and stability. It serves as a reliable replacement for standard residential garage door configurations, offering smooth lifting power and exceptional strength.