Premium Materials for Durability & Comfortable Grip: : Crafted with high-strength metal springs, the trainer offers excellent elasticity and durability for long-lasting use. The ergonomic handles wrapped with anti-slip, thickened foam provide a secure and comfortable grip, reducing strain during intense workouts. The leather-covered metal frame adds safety by preventing injury during use.Adjustable Resistance for Personalized Training (40-130lbs): : Featuring adjustable resistance from 40 to 130lbs, the Tomoro Twister Arm Trainer easily adapts to all fitness levels. Whether you are just starting your fitness journey or are an advanced athlete, you can customize the intensity to match your training goals. This adjustable resistance system supports progressive strength gains, muscle toning, and endurance building for a fully personalized workout experience.Satisfaction Guaranteed & Easy Returns: : We prioritize your satisfaction with a hassle-free return policy. If youre not completely happy with your purchase, simply contact us for a smooth, worry-free return. Experience effective upper body strength training with confidence and peace of mind.Portable, Lightweight & Convenient for Anywhere Use: : Compact and lightweight, the Tomoro Twister Arm Trainer is designed for fitness on the go. It comes with a convenient drawstring carry bag and a cooling towel to keep you comfortable during workouts. Easy to carry and store, its ideal for home, office, travel, or outdoor sessions. Stay consistent with your training routine anytime, anywhere. The included training poster guides you through effective exercises for optimal results.Comprehensive Full-Body Strength Workout: : The Tomoro Twister Arm Trainer delivers a versatile and effective full-body workout, targeting key upper body muscles including the arms, chest, shoulders, forearms, wrists, back, and even legs. Its unique twist-action design activates multiple muscle groups simultaneously, helping you build muscle power, endurance, and definition with balanced strength trainingperfect for beginners and fitness enthusiasts alike.