Pedal from the comfort of your own chair or place on a table to exercise your arms This upper and lower body exerciser in one helps improve circulation while toning and strengthening muscles Great for rehab after knee replacement and for improving range of motion Turn the knob to increase or reduce resistance Quick and easy assembly with included wrench. Disassembles for easy storage and travel Durable heavy duty steel tubing Slip resistant triangular tips; contains latex Compact and lightweight