The Twister Arm Trainer is a versatile fitness equipment designed to target and strengthen your upper body muscles. With its unique two-stage adjustment function, this trainer offers 4 resistance levels from 30 to 120 lbs, allowing you to customize your workout to your fitness level.

Crafted with care, the trainer features spring workout bars wrapped in elastic leather covers to reduce safety risks and extend the product's lifespan. Whether you're looking for a basic warm-up, rehabilitation therapy, or advanced muscle shaping, this multifunctional arm trainer can meet all your needs. The included poster provides clear guidance on proper exercise techniques, ensuring a smooth and efficient workout experience.

• Targets biceps, triceps, deltoids, pectoralis major, forearms, and more
• Adjustable resistance from 30 to 120 lbs
• Detachable and easy to store for use at home, gym, or while traveling
• Includes 2 handles, 4 spring fitness bars, and 1 instructional poster