Our chest expander is intended to increase power and strength. Alternative to free weights and equipment that is portable and light. With the exercise spring, you can resistance train anywhere and improve your upper body, open your chest, shoulders, and back. Adjustable The chest expander has tension springs that can accommodate most men, women, and kids while also meeting your individual strength requirements. The chest expander will be ideal for you whether you are a beginner or an expert. Ideal for simultaneously working out your wrists, arms, shoulders, chest, and back, improving your grip, strengthening your fingers and wrists, and boosting the upper body's muscle strength. The spring power twister will enable the advanced exerciser to perform more reps when their muscles have become fatigued. And for the beginner, These enable you to gradually build up your strength until you are able to perform a full pull-up entirely on your own. Beyond 1.8m, the chest expander spring may lose force. Please leave two springs or more on the expander. The chest expander has greatly aided many people in regaining their definition and in rapidly increasing their power.