Arm Strength Chest Builder Fitness Equipment Fitness (Male/Female) 20/30/40/50/60kg

●Material: High Quality Carbon Steel Spring and Non-Slip Plastic Handle ●Very Suitable for Enhancing the Strength of the Upper Body ●The Function of Throwing Arm Device Is Also Called Grip Strength. It Is Used to Exercise Arm Muscles. Mainly Exercises Muscles and Chest AIDS. ● Increase the Muscle Strength of Upper Limbs, Including the Main Shoulder Joint of Chest Muscle, Elbow Joint, Wrist Joint and Other Parts. ● It Can Make Upper Limb Muscles Develop and Increase Arm Strength. Improve Physical Fitness ● This Is a Portable Sports Equipment, Which Is Very Suitable for Home, Office Or Travel.❤Practice Method 1: Hold the Rod with Both Hands, Move Inward, Push down and Push It Together (Difficult, Pay Attention to Safety)❤Practice Method 2: Hold the Barbell Bar with Both Hands, Move Inward and Push Upward (High Risk, Pay Attention to Safety)❤Practice Method 3: Hold the Barbell Bar with Both Hands on the Top of Your Head, and Push the Palm Forward (Difficult, Pay Attention to Safety)❤Practice Method 4: Hold the Barbell Bar with Both Hands and Put It on the Side, Keep One Hand Still and Push It up (Difficult, Pay Attention to Safety)★Note:★before Using, Please Check Whether the Connection Method Is Firm and There Is No Looseness.★Please Make Sure You Have Enough Electricity to Use the Level of 30kg Or 40kg Or 50kg.★Before Use, Put the Arm Equipment Handle Safety Belt on the Wrist.★You Should Choose a Relatively Spacious Field to Practice to Avoid Injury.★Use at a Constant Speed.