With its weight-assisted kneepad mechanism, the Body Solid Weight-Assist Knee Raise, Dip & Chin Up (FCD-STK) provides the same benefits of chin and dip exercises to everyone, regardless of their current fitness level or weight. Plus, its 210 lb. weight stack on the Body Solid Weight-Assist Knee Raise, Dip & Chin Up (FCD-STK) enables you to counterbalance your own bodyweight. By doing pull-ups chin-ups and dips, you can effectively and efficiently build muscles in your arms, shoulders and back while using the Body Solid Weight-Assist Knee Raise, Dip & Chin Up (FCD-STK). Add vertical knees raises, and you'll soon see an increase in definition of your lower abdominal muscles. Best of all, the benefits of these exercises can be enjoyed by fitness enthusiasts of all skill and strength levels.