Prime Line Products 150 lb Extension Spring with Cable

The Prime Line Products 150 lb Extension Spring with Cable is engineered for smooth operation and reliable support on sectional overhead garage doors. Featuring durable double loop ends, this heavy-duty spring is built to withstand rigorous daily cycling while maintaining consistent tension and balance across the door assembly. Designed with safety in mind, the included galvanized carbon steel aircraft cable runs through the spring to prevent potential damage or injury in the event of spring breakage. Ideal for standard residential garage door configurations, this extension spring assembly offers long-lasting performance and dependable everyday function.