The Vevor ab workout machine is designed to strengthen your core with a dual-curved sliding track that helps engage the abs while reducing strain on the back and neck. Its heavy-duty carbon steel frame and triangular structure support stable workouts for a wide range of users. With 4 incline angles and 4 height settings, it offers 16 resistance levels for beginner to advanced training. The machine also features soft knee pads, foam-covered handles, a built-in rep counter, and a foldable design for compact storage.