Automatic Abdominal Wheel Stretch Muscle Trainer for Male and Female Orange. Our abdominal roller exercise wheel is with 7.5ft powerful silent , automatic braking, mute, easy to control, perfect for stomach and core trainer training.Our automatic abdominal wheel is with two wheel for about 10.5cm width, widen and flat, non slip, lightweight and reliable, great for home, gym workout and body building.The abdominal exerciser is with design, arched structure distributing the force, with with kneeling pad, stable and heavy duty, excellent stretch muscle trainer.The double wheel is perfect for training arms, shoulders, chest, abdomen, back, buttocks, thigh, legs, lower limbs, etc. A wonderful gift choice for families and friends.There is also equipped with phone rack holder for this professional automatic abdominal wheel with knee mat, available for having music while training.Ab Training Roller Wheel Exerciser Fitness Gym. Trainer Abdominal Core Strength Training. Double Wheeled Mute Non Slip with Kneeling Pad. Abs Stomach Shoulders Toner Shaper Equipment. Women Men Home Arms Thigh Legs Gear Accessories.