This Handle Pulling Exerciser is easy to grip and it is a great way to keep health and improve strength. You can exercise in different ways using this Pulling Exerciser: Pull overhead helps broaden uppeer back, pull behind back helps build arms and holders, holdout stretch to sides helps strengthen upper back and arms etc. After exercising for a long time, the removed springs can be put back on to increase the tension. Product Highlights:- Chest Expander & Hand Gripper 2 in 1 Hand Grip Strengthening Tension is Adjusted by Hooking 1 to 5 Springs between the Handle Grips Using all 5 Springs at Once will Challenge the Strongest User Lightweight. High quality chest pulling exerciser Multi-function design,strengthen hand,finger,wrist,forearm, developing chest and shoulder muscles