Manogyam Power twister is highly versatile when it comes to developing your muscles. Through this, chest muscles, biceps, triceps, wrists, forearms, & shoulders are exercised simultaneously.The sturdy metal of our Power Twister provides a lot of resistance from bending the spring from a straight to a U-shape position. Our twister is suitable for the chest, abdomen & other chest muscles. With power twisters, you'll always have a portable workout instrument available to you during your travels, giving you a confidence-boosting workout anywhere you go. Our Power Twister can give you a fantastic chest workout, shoulder workout, toned biceps, and so on. This arm exercise improves shoulder strength, builds biceps, reduces pain and increases stability.