Adjustable Train Stick Train for Chest. Bicep. Shoulder Arm

Easy to get some strength training. Highly effective isometric exercises for arms and improved shoulder strength to increase stability, injury recovery and prevention, reduce pain, and enhance physical function. Keeping muscle under constant tension for isometric and isotonic strength and endurance workouts. There are two assembly modes that can adjust multiple forces. You can adjust it from 66 lbs to 176 lbs according to your need