The MediCordz Modular Tubing Upper Body Kit includes the tools for rows, flies, presses, curls and more to reduce pain, increase strength and improve range of motion. The MediCordz Modular Tubing Upper Body Kit includes two handles, two interchangeable 3ft/90cm modular tubes with metal clips and one combo mount. Interchangeable. Available in ten levels of resistance. The Silver Resistance has 3-8 lbs of pull.