The Body-Solid Powerline Vertical Knee Raise and Chin Dip Machine is designed for an intense ab workout. The workout machine features a dip station to help work your triceps, deltoids and lower pectorals, and a cushioned push-up station that is mounted 12" off the floor to allow for deep, pectoral-building pushups. Body-Solid Powerline Vertical Knee Raise and Chin Dip Machine - Weight Benches at Academy Sports