Introducing the Arm Exerciser - Adjustable Fitness Equipment for Men and Women, designed to enhance your upper body strength with maximum efficiency. Whether you're looking to train your biceps, pectoral muscles, or overall upper body, this power twister offers adjustable resistance from 22 to 440 lbs across 20 levels. The upgraded hydraulic cylinder and double steel tube design ensure durability and safety, making it superior to traditional spring-based models. With its unique triangle structure and ergonomic PU handle, you'll enjoy a secure, slip-free grip while targeting key muscle groups with confidence. Crafted from high-density dual-carbon steel and reinforced with a ribbed design and 10 screws, this heavy-duty piece of equipment is built to last, resisting deformation and wear over time. The anti-slip handle offers comfort during intense workouts, while the hydraulic adjustment system allows you to easily rotate the knobs for customized resistance. Convenient to store and portable, this arm exerciser is perfect for both home and gym use, providing stable, controlled resistance to help you achieve your fitness goals.