The Squatz Twister Bar Arm Exerciser is your ultimate tool for strength training and muscle building. With an innovative hydraulic cylinder design and double carbon steel construction, this adjustable device provides resistance from 22 to 440 lbs., allowing users of all levels to customize their workouts. The anti-slip ergonomic Pu handle ensures a comfortable and safe grip, while the compact design makes it easy to store. Perfect for exercising biceps, chest, and pectoral muscles, it s an essential addition to your fitness routine.