Power Twister Bar Arm Strength Device Exercise Arm Strength Trainer Grip Stick Fitness Equipment Forearm Muscle Strengthening Chest Expander Multiple Weights choice 健身 臂力器

Product Category: Power Twister BarMaterial: Steel spring + ABS + RubberApplicable scene: fitness equipment, fitness bodyWeight: 30KG/40KG/50KG/60KG1) To save your time and your money, please make sure you have used 40KG level already before you buy this 40KG.2) Super Heavy Duty, Double Spring, more safety! Perfect Arm and Chest Workout Equipment.3) Materials: Hight quality carbon steel springs and non-slip handle. Double Spring, more safety, more heavy duty!4) Perfect Fitness Exercise Device: High quality Premium Materials And Portable for comfort workout at home, Office or 5) Travel. Perfect for building upper body strength.5) Suitable for people: young, adult, beginners, exerciser and trainers.6) 100%Customer Satisfaction- We guarantee 100% satisfaction on our product and service, any customer servises or inquiries are welcome tocontact with us, Reply in 24 hours!Notes:1. Please check whether the various parts of the arm strength device are stable and not loose before use.2. Please choose an arm strength machine that suits your physical fitness level to avoid muscle strain.