Product Description: Take your upper body workouts to the next level with this adjustable Twister Arm Trainer. Designed with durability and comfort in mind, this resistance bar features a heavy-duty cast iron frame, electroplated finish, and a powerful steel spring for consistent tension. The soft NBR foam grips keep your hands comfortable while preventing slipping, even during intense training sessions. With three adjustable resistance levels (30kg, 40kg, and 50kg), this trainer is suitable for beginners, fitness enthusiasts, and athletes looking to build strength and endurance. Its compact size allows you to use it anywhere - at home, at work, or while traveling - so you never have to miss a workout. Perfect for targeting arms, chest, shoulders, and upper back, this versatile tool is a must-have for anyone serious about strength training.