Cando Fixed ErgoGrip Exerciser Features: * Resistance sequence on grips covers needs from earliest stage of rehabilitation after a stroke (yellow) to advanced athletic training (black) * Force required to squeenze grip doubles with each level Description: The new Cando resistance sequence on these ergonomic grips covers any needs from the earliest stage of rehabilitation after stroke (yellow) to advanced athletic training (black). The force requirement doubles with each level. Sold in pairs for hand therapy from beginning to end stages. Available: * Yellow - x-easy - 3 lbs * Red - easy - 6 lbs * Green - medium - 12 lbs * Blue - hard - 24 lbs * Black - x-hard - 48 lbs * Set Yellow - Black SOLD IN PAIRS!