1The arm power exerciser has a strong rebound, help you build the perfect body figure. 2Exercise shoulder, arm and back muscles to make the body healthy and strong. 3Build up your forearm strength and wrist strength, if insist to use, the effect of bodybuilding is remarkable. 4Made of carbon steel spring material, safe and eco-friendly, stable and durable. 5Non-slip rubber handle, conform to ergonomic designs, easy to grip and use.
