About this item Sturdy & Ergonomic Design: U-shaped Twister Arm Exerciser with durable steel construction and dual-action spring flex technology for resistance in both directions. Padded for comfort and stability. High-Quality Materials: High-strength metal spring with strong elasticity ensures durability and smooth, stall-free movement. Three resistance levels available to suit different fitness needs. Full-Body Strength Training: Effectively targets multiple muscle groups, including chest, forearms, biceps, triceps, shoulders, back, and inner thighs, making it suitable for all fitness levels. Compact & Portable: Lightweight and easy to carry, perfect for home workouts, office use, or travel. Helps build muscle, increase strength, and…