Power up your upper body with the Twister Arm Trainer, an adjustable chest expander delivering 66–110 lbs of resistance for chest, shoulders, and arms.
- Three adjustable resistance levels range from 66 to 110 lbs, so you can start easy and steadily increase intensity as you grow stronger.
- Multi-functional spring expander targets chest, shoulders, biceps, and upper arms for comprehensive upper-body training in one compact tool.
- Lightweight, portable design with a small footprint makes it easy to store at home, in the office, or while traveling, so you can train anytime, anywhere.
- Secure, thickened spring structure and non-slip grips provide stable handling and safe workouts without accidental rebound, plus one-step adjustment requires no extra tools.
