Upgrade your fitness routine with the Twister Arm Trainer, a powerful, portable resistance tool designed for both men and women. Whether you're building muscle, toning your upper body, or enhancing your overall fitness, this U-shaped resistance bar helps you achieve it all with one tool. The trainer engages multiple muscle groups simultaneously, including your arms, chest, shoulders, wrists, back, and legs, making your workouts more efficient and impactful. Built with high-tension steel springs and wrapped in leather for safety, it offers a smooth, injury-free workout experience. Thanks to three adjustable resistance levels, you can scale the intensity to fit your fitness level—from beginner to advanced. The non-slip foam handles provide a comfortable grip, even during high-rep sessions, while the detachable and lightweight design makes it easy to take with you anywhere. Whether you're a home workout warrior, office fitness fan, or gym regular, this arm trainer is your ideal strength training partner. Just 10 minutes a day, 4 times a week, and you'll start to see noticeable improvements in strength, tone, and endurance.