This 0.225 wire size e-coated torsion spring is commonly used for insulated and heavier residential garage doors. The advanced e-coating offers enhanced corrosion protection, making it suitable for daily use and demanding environments. Custom sizes and specifications are available based on project requirements.

This dual extension spring is designed with a double-spring structure to deliver higher extension force with improved balance and durability. Rated at 180 lb, it is suitable for applications that require strong pulling force and consistent performance during repeated operation. Compared with single extension springs, the double spring design helps distribute load more evenly, reducing stress concentration and supporting longer service life. Specifications can be customized to match different application requirements.

This dual extension spring is designed with a double-spring structure to deliver higher extension force with improved balance and durability. Rated at 170 lb, it is suitable for applications that require strong pulling force and consistent performance during repeated operation. Compared with single extension springs, the double spring design helps distribute load more evenly, reducing stress concentration and supporting longer service life. Specifications can be customized to match different application requirements.

This dual extension spring is designed with a double-spring structure to deliver higher extension force with improved balance and durability. Rated at 160 lb, it is suitable for applications that require strong pulling force and consistent performance during repeated operation. Compared with single extension springs, the double spring design helps distribute load more evenly, reducing stress concentration and supporting longer service life. Specifications can be customized to match different application requirements.

This dual extension spring is designed with a double-spring structure to deliver higher and more stable extension force. Rated at 140 lb, it provides reliable pulling performance and improved durability for demanding applications requiring controlled and consistent tension.