HYZXK Arm Exerciser Adjustable 10-200N, Hydraulic Power Home Chest Expander Shoulder Muscle Training Fitness Equipment, Arm Enhanced Exercise Strengthener

[Adjustable Hydraulic Power Twister]From 10 to 200N, set up your perfect level of resistance. Perfect for beginner or professional,you don't need to buy new ones when your strength level increases,it applies to any stage of arm strength training enthusiasts and meet your needs in different training stages,accompany your entire fitness career. [LED Tracker]Adjustable hydraulic power twister with LCD Counting Screen that can track your counts, total workout time, and calories burned.Make Your Exercise More Professional, Scientific and Effective. [Golden Ratio Triangle Structure]To let you exercise more safely with our power twister, we use the design of golden ratio triangle structure to keep the device in a stable state. The device has passed 10000+ data test, confirmed that It is not easy to deform or break, and no leak from hydraulic cylinder during exercise. [Durable & Comfortable Design]Ergonomically designed PU handle provides you with a more comfortable grip.Special anti-slip texture design protects against accidental falling off,not only offes you with a safer fitness experience,but also offers good wear resistance for maximum longevity! [Safer Than Spring Power Twister]As you know it is very dangerous to use spring power twister,because its springback is violent,easy to hurt you,our hydraulic power twister is safer and more user-friendly than traditional spring arm strength devices,because hydraulic cylinder can provide a more even and steady resistance than conventional springs and won't rebound and hurt yourself!