The Aerobic Pedal Exerciser is great for cardiovascular fitness and can be used with either the feet or hands. Chrome-plated steel frame construction and lightweight, compact design make this unit handy for use at home, at work, or just about anywhere. Plastic pedals feature non-slip grips and nylon straps to prevent feet from slipping out unintentionally, and anti-slip treads on the base keep the unit firmly in place. Center knob in the top of the machine increases pedal resistance for an individualized workout. Comes fully assembled. Exerciser is intended for use while in a seated position. Do not attempt to use while standing.