Hand Exerciser Color Blue Dimensions 5 Inch X 1 Inch X 4 Inch Resistance Heavy UNSPSC Code 42251627 Ideal for hand and finger flexion exercises. Vary resistances by increasing or decreasing number of rubber bands attached to the exerciser, or by changing to a different color-coded set of bands. The Range-of-motion (ROM) may be decreased by using the flexion limiter. Each exerciser comes with 5 red bands OR 5 sets of color-coded bands (25 bands í 5 of each color).