einojeoy EINOJEOY Twister arm Trainer, Adjustable Resistance Chest Workout Equipment,Forearm Power Exercise bar, pectoralis spinalis Device, Portable Detachable Design (120-140lbs)

[Adjustable resistance design] Two-position two-level adjustment mode, three-speed adjustable strength, 120-140lb adjustable resistance chest exerciser for men, suitable for users of different fitness levels, from beginners to professional athletes, you can customize the training intensity

Ergonomic Grip & Anti-Slip DesignThe U-shaped handle ensures stable control, while the foam-wrapped texture enhances grip durability. Featuring an ergonomically engineered rotating arm structure, it maintains precise movement alignment to prevent workout injuries, making it ideal for extended repetitive training sessions

Multi-function training modeThis arm workout equipment combines the design function of chest trainer, which can effectively train multiple muscle groups such as arms, chest, shoulders, back, legs, etc. High-strength latex resistance band + arm twisting spring technology, simulates the effect of professional arm fitness equipment in the gym, and helps you shape firm muscle lines

Portable and Lightweight Design Weighs only 3.5 lbs, collapses down to 10 inches for easy backpack storage. Features simple assembly and rapid 30-second deployment, making it ideal for home workouts, gym sessions, or outdoor training scenarios

Durability & WarrantyHigh-carbon steel springs deliver exceptional fracture resistance, maintaining structural integrity through rigorous testing of 10,000+ stretch cycles with no deformation observed. Backed by customer-focused policies: 30-day hassle-free returns and 1-year comprehensive warranty covering replacements or repairs