Develops isolated finger strength, flexibility and coordination as it builds hand and forearm strength. Use each button independently to exercise fingers or compress the entire unit for complete hand and forearm strengthening. Comes with illustrated manual.
Resistances:
X-Light, Yellow: Force to compress: 1.5 lbs. per finger, 5.0 lbs. hand
Light, Red: Force to compress: 3.0 lbs. per finger, 10.0 lbs. hand
Medium, Green: Force to compress: 5.0 lbs. per finger, 16.0 lbs. hand
Heavy, Blue: Force to compress 7.0 lbs. per finger, 23.0 lbs. hand
X-Heavy, Black: Force to compress 9.0 lbs. per finger, 31.0 lbs. hand