KANSOON Ab Wheel Fitness Equipment - 3/4 Wheels Innovative Ergonomic Abdominal Roller Carving System - Home Gym Boxing Exercise Workout Equipment Ergonomic Patent Pending 3-Wheels System: Triangular structure provide excellent overall rolling motion stability. Perfect fitness system for beginners and advance use challenging difficult variations. Floor Stopper Wedge: Standalone brake can significantly improve workout safety and enable a wide variety of workouts at different range on demand. Be stopped exactly where you want and return in full strength, keep the motion right and maximize your effort. Rubberized Soft Grip Handles: The comfortable grips minimize hand fatigue while remaining slip-free even in the sweatiest workout, leave all your effort on the ground! Premium Materials & Solid Construction: Unlike other cheap Ab roller, this Carving System is build with solid materials to Last, Perform and get people Proud of our brand. Perfect Home Fitness Device: High Density Fitness Foam Kneepad is included for comfort workout at home. Strengthens and Tones your entire body by hitting your Abs, Core, Torso, Shoulders, Arms, Upper Back & Lower Back.