Powertec Fitness Workbench Dip Accessory, Black The lever arm provides the motion, making this great exercise more comfortable, controlled and effective Supports full range of motion and proper workout form This high quality machine accessory provides unique and innovative new workout stations to your existing Workbench All Workbench Accessories are designed to fit in all Power Tec Workbench models and provide easy in and out access Weight and Benches sold separately