SPORTNOW Twister Arm Exerciser, Adjustable 22-440lbs Hydraulic Power Exerciser, Home Chest Expander, Strength Training Fitness Equipment for Arm, Ches

Adjustable resistance levels: Tailor your workout with the chest exerciser, offering adjustable resistance from 22-440lbs across 20 levels by simply turning the resistance knob. Designed for enhancing upper arm, back, triceps, deltoid and pectoralis major muscle strength.,Enhanced safety features: This power twister benefits from a micro-rebound mechanism, providing safer usage by avoiding impact rebounds - for steady, controlled strength training.,Reliable construction: Built to last, the arm exerciser features a cast steel frame and high-strength plastics with a quality hydraulic cylinder that has passed 100,000 endurance tests, ensuring stable resistance.,Ergonomic and secure design: Equipped with a TPR rubber anti-slip handle for a comfortable grip, this arm exercise equipment boasts a safe and stable triangular structure.,Safety buckle: When opening it, grip the handles with both hands and use your thumb to release the buckle. After training, close the handles with both hands and secure then with the buckle.