1. Adjustable Resistance: The Twister Arm Trainer offers 40-100lb adjustable spring resistance, allowing you to tailor your workout to your fitness level and goals for effective chest, shoulder, and arm muscle training.<br> 2. Portable & Detachable Design: This compact and lightweight fitness tool is designed for convenience. Its detachable springs make it easy to store and carry, suitable for home workouts, travel, or outdoor fitness sessions.<br> 3. Versatile Workout Equipment: Suitable for a variety of exercises, including arm twisting, chest presses, shoulder rotations, and more. It helps improve strength, endurance, and muscle tone in the arms, shoulders, and chest.<br> 4. Durability & Construction: Built with selected materials, the Arm Trainer is designed for long-lasting durability and consistent performance, ensuring reliable results during your fitness routine.<br> 5. Convenient for Home or On-the-Go Fitness: Whether at home, in the gym, or while traveling, this portable arm trainer is a practical tool for enhancing your fitness routine anywhere. Suitable for those looking for an efficient workout solution with minimal space.<br> 6. Colour:A:Blue<br> 7. Material:Metal<br> 8. Package Contents:<br>1 * Twister Arm Trainer<br>Only the above package content, other products are not included.<br> 9. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.