Body Solid Fitness Vertical Knee Raise & Dip Exercise Workout Station | GVKR60 Feel the burn with intense ab workouts while eliminating lower back strain Heavy gauge steel frame construction for strength and durability Workout your abs and obliques, or use the dip station to workout your triceps, deltoids, and lower pecs Features safe, no slip step up entry for ease of use Thick DuraFirm back and arm pads make operation comfortable