Innovative Ergonomic Design for Safety and ComfortSafety and comfort are at the forefront of the Twister Arm Trainer's design. The leather - encased metal components shield you from harm, while the non - slip, padded foam handles offer a firm and comfortable hold, even during the most strenuous workouts. This thoughtful design ensures you can focus on your fitness goals without any distractions.Premium - Grade Materials for Unrivaled PerformanceMade of high - grade metal springs, the trainer features great elasticity, durability, and stability, ensuring smooth workouts. Metal parts are covered with leather for safety, and the ergonomic, thick - padded anti - slip foam handles offer a secure grip and comfort. With three strength levels, it meets various fitness needs.Multi - Dimensional Strength Training PowerhouseUnlike ordinary arm workout bars, our Twister Arm Trainer is engineered to engage a wider range of muscle groups. It combines chest workouts, wrist - strengthening exercises, and effective training for arms, back, legs, and shoulders. By simply following the clear, standard instructions, you can build a more robust physique. Its simplicity and enhanced safety features make it an ideal addition to any home gym setup.Effortless and Portable Fitness SolutionThe Twister Arm Trainer suits both fitness beginners and seasoned athletes. Its detachable design makes it space - saving and portable. Use it anywhere - outdoors, on trips, at the office, or at home - to tone muscles. Just 10 - minute sessions, four times a week, and you're on track to get your desired muscles.All - in - One Upper Body Fitness MarvelThe Twister Arm Trainer serves as your go - to personal fitness companion. With an included detailed workout guide, it enables you to achieve an intense chest workout like a pro. This versatile strength bar targets multiple muscle groups precisely, such as the chest, biceps, triceps, abs, shoulders, back, and even thigh muscles, ensuring a comprehensive upper body transformation.