Duke Fitness® Punching Bag Spring

Duke Fitness Punching Bag Spring is a sturdy metallic spring which is designed to provide cushioning for the mounting surface. It cushions the punching bag´s movement and thus prevents the wear and tear of the bag and hardware.

The Duke Fitness Punching Bag Spring is attached to Duke Fitness punching bag hook:  https://www.nordic-duke.com/en/product/punching-bag-hook/