Self Starting Wrist Ball Mute Wrist Exerciser Forearm Exerciser for Stronger Arm Fingers Forearm

Feature: 1. Exercise Arm and Forearm Muscle Groups: Auto start wrist ball can effectively exercise the muscle groups of the arm and forearm, and promote the specific strength training of the upper limbs. 2. Simple to Rotate: All you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball. 3. High Performance Rotor: The wrist ball has a high performance rotor, which is very stable and has low noise. 4. Lightweight and Portable: The wrist exercise ball is small and light, which can be carried anywhere and anytime. 5. With A Hanging Rope: You can attach it to wrist strap, if you are really concerned about the wrist ball flying away. Specification: Item Type: Wrist Ball Product Material: Polycarbonate, Silicon, Zinc Alloy Product Size: Approx. 70x70x55mm / 2.8x2.8x2.2in Color: As Pictures Shown Weight: Approx. 300g / 10.6oz. Package List: 1 x Wrist Ball 1 x Hanging Rope