The MediCordz Core Stabiliation Upper Body Kit is used for core exercises in the pool or on dryland. Can be used in conjunction with the Core Stabilization Lower Body Kit. Consists of 2, 3-foot modular tubes, 2 combo mounts and 2 modular handles. The MediCordz Core Stabiliation Upper Body Kit is available in the following lengths: 1.5ft-45cm, 2ft/60cm, 3ft/90cm and 4ft/1.2m. Also available in ten resistance levels. The Red Resistance of 12-31 lbs of pull.