Arm Exercise Amplifier Shoulder Rotation Machine for Athletes Boxing, Women, Silver Description: [Upper Body Exercise Equipment]: This power bar is specifically designed for training your arms, chest, shoulders, back, biceps, back muscles, waist, neck muscles and the entire upper body. [Premium and Reliability]: The exercise device is made of durable carbon steel, which has high tensile strength, is environmentally friendly, sturdy, durable and not easy to snap. [Rotating Design]: Rotating resistance arm force with 360 degree rotation with comfortable grip ensures maximum resistance throughout the exercise. [Compact and handy]: Lightweight and portable, simple design, compact size can be easily taken to the office, gym, camping or on the go, doing exercises anytime, anywhere. [Suitable for all]: Upper body exercises are suitable for young, adults, beginners, exercisers and trainers. Choose according to your strength. Specification: Material: high-strength carbon steel Size Chart:37,5 cm x 16,5 cm / 14,76 inch x 6,50 inch The package includes: 1 Arm Exercise Device