• 3-IN-1 RESISTANCE ADJUSTMENT: Sanker U Shaped Twister Arm Trainer One-Touch Switching Between Three Resistance Levels (60lb/80lb/100lb) - Low, Medium and High. Chest Workout Equipment can Handle Everything from Novice Body Shaping to Advanced Muscle Gain. Chest Exercise Equipment Strengthens The Chest Muscles, Arms, Biceps, Abdominal Muscles, Shoulders, Back and Core Muscles
• MULTI-MUSCLE SCIENCE TRAINING: Chest Workout Equipment for Men Strengthen The Pectoralis Major and Pectoralis Minor Through Pushing, Pressing and Twisting Movements, Shaping Full Chest, Biceps, Triceps, Abdominal Muscles, Deltoids, Trapezius, Shoulders and Back as Well as Thigh Muscles, Chest Workout Equipment Twister from Basic Endurance to Explosive Power Training, One Machine Accompanies The Entire Fitness Cycle
• NOISE-REDUCING SPRING SILENT DESIGN: Twister Arm Trainer 60 To 100 The Outer Layer Of The Spring Is Wrapped With A 0.5mm Silence Cotton To Absorb The Vibration Noise Caused By Metal Collision, Reducing Noise By 80%, Reducing Metal Friction Noise, Power Twister Chest Expander Making Fitness Both Efficient And Elegant
• NON-SLIP AND DURABLE: Portableu Shape Twister Arm Exerciser Chest Workout Sae 5160 High-Carbon Steel is Used to Provide Linear Resistance, Uniform Force Throughout The Action, U Shaped Twister Arm Trainer Precise Rebound, Avoiding The "Stuck Feeling" of Traditional Springs, Power Twister Bar Double-Layer Tpr Soft Rubber Wrapping to Prevent Sweaty Palms from Slipping, And Still Able To Firmly Grasp, Zero Tenderness Design
• PORTABLE SPLIT DESIGN: Chest Workout Equipment Twister Main Structure is Connected By a Patented Quick-Release Buckle, And The Device Can Be Separated Into 4 Parts (Such as Handle, Spring Module, Extension Rod) By Hand. Twister Arm Exerciser Chest can Be Put Into a Gym Bag, Office Drawer or Car Trunk, So You Can Exercise Anytime, Anywhere