Open Coil Standard 12.5g springs deliver reliable support and comfort for mattresses and upholstered furniture. These traditional coils feature an open design that allows for excellent airflow and heat dissipation, keeping sleepers cool throughout the night. The 12.5g gauge provides a balanced firmness suitable for various body types and sleeping positions. Ideal for manufacturers and upholstery professionals seeking cost-effective, durable spring solutions that maintain their shape and support over time.