Ultimate Twister Arm Trainer, Adjustable 40-100lbs Portable Spring Resistance Chest & Arm Workout Equipment , Portable Detachable Upper Body Fitness Machine for Home & Gym.

【Unique Full Body Fitness Equipment】U-shaped power bar acts as your personal fitness trainer, helping you get an excellent chest workout with training guide charts. The power bar can accurately exercise multiple muscle groups, including chest, arms, biceps, abdominal muscles, shoulders and back, and thigh muscles
【Ergonomically Designed, Safe and Comfortable】The arm twist trainer is designed with your safety and comfort in mind. The leather-wrapped metal protects you from injury, while the padded non-slip foam handles ensure a safe and comfortable grip, even during intense workouts
High-Quality Materials】High-strength metal spring, strong elasticity, durable and stable. Smooth movement without stagnation. The outer layer of leather wraps the metal to prevent sports injuries. The handle is made of thickened non-slip foam, non-slip and comfortable. Three strength levels are available to meet different exercise needs
【Efficient and Portable Exercise】Whether you are a beginner