U-shaped arm exercise device to expand the chest and the upper part of the body

U-shaped arm exercise device to expand the chest and upper body, this chest expander is very durable, we use double carbon steel to ensure that it will not deform or break easily. This arm strength bar uses high-strength metal springs, which are strong, durable, and stable, allowing you to move smoothly and without stumbling. Additionally, this strength trainer handle is made of thick non-slip sponge, non-slip and comfortable, very suitable for athletes, gymnastics, boxing, and bodybuilding.