This 3-in-1 multifunctional fitness machine combines spine twist stretching, stair stepper, and waist training in one compact unit. Built with heavy-duty steel supporting up to 300 lbs, featuring non-slip grips, knee pads, and a stable base. Includes an adjustable height and length system to fit all fitness levels. Lightweight and foldable for easy storage in small spaces. An LCD display tracks workout data. Suitable for core training, lower back stretching, and glutes & thighs. | Anysun | | 3-in-1 Spine Stretcher, Stair Stepper & Waist Trainer | Adjustable Back Exercise Machine for Core & Full-Body Workout | Gray | Best Buy