LYUS Power Twister, Flexible Arm Strength Rod Chest Shoulder Spring Exerciser Wrist Hand Gripper, Curl Spring Bar (20KG)
<b>Arm Rod Spring Steel Exerciser Power Wrist Hand Gripper, Strengths Arm Rod Fitness Equipment Chest Expansion Device </b><br><br><b>Features:</b><br> The role of throwing arm device, Methods is also known as grip strength. <br> It is used to exercise the arm muscles.Its main exercise muscles and chest auxiliary exercise wrist.<br> Increase the muscle strength of upper limbs.including the pectoralis major shoulder elbow and wrist joints and other parts of the power.<br> It can make the upper limb muscles and increase the arm strength.Improve the quality of the body.<br> Perfect for building upper body strength.The is a portable exercise device that is great for home, office or travel use.<br><b>Matters needing attention:</b><br> Before use please check whether the methods implement the connection parts is firm, no loose phenomenon.<br> Please Make sure you have enough power to use the 20KG or 30KG or 40KG Level.<br> Before use, please carry arm device handle seat belt on your wrist.<br> When using, should choose relatively spacious field exercise, lest hurt to sell.<br> Operating at a constant speed when using, should do.<br><br> Below are for reference only, how to choose according to individual constitution and decide:<br> 20kg(Lightweight), 30kg(Strong), 40kg(Professional)