Materials: High-quality carbon steel springs and non-slip handle. 43 circle spring, super heavy-duty, it can bear more than 1 million twistings and it won’t bend!
Perfect Fitness Exercise Device: High-quality Premium Materials And Portable for comfort workout at home, Office or Travel.Perfect for building upper body strength.
Increase the muscle strength of upper limbs, including the pectoralis major shoulder elbow and wrist joints and other parts of the power.
It can make the upper limb muscles and increase arm strength. Improve the quality of the body.
Portable exercise device that is great for home, office or travel use.