Features: Resistance Twist Rod is designed to enhance your strength and mobility training. Forearm strengthener offer a wide range of exercises that targets different muscle groups, helping you achieve your goal. Make of Thermoplastic Rubber materials, which can recycled and reused, reducing environmental pollution. Targets the muscles in your hands, wrists, and forearms, helping you develop a strong grip that translates into improved performances in activity like weightlifting, rock climbing, golfs, and more. Small and light weight makes it highly easy to carry and easy to use anywheres. Specifications: Materials: Thermoplastic Rubber Color: Light green 10LB/blue 15LB/orange 25LB Size: about 30.5x4.2cm/12.01x1.65inch Package Includes: 1pc Resistance Twist Rod note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.