1Exercise shoulder, arm and back muscles to make the body healthy and strong. 2Build up your forearm strength and wrist strength, if insist to use, the effect of bodybuilding is remarkable. 3The arm power exerciser has a strong rebound, help you build the perfect body figure. 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.
