This high-strength arm exerciser is crafted from steel with a U-shaped double-spring design, combining explosive power training and endurance enhancement to help you build muscle and burn fat simultaneously. The thickened and reinforced steel tube structure ensures long-lasting durability, capable of withstanding repeated bending. The adjustable elastic resistance caters to diverse needs, from beginners to fitness enthusiasts. The non-slip NBR foam handles, designed with ergonomics in mind, provide a secure grip and evenly distribute pressure, reducing the risk of injury and ensuring efficient workouts.
