Product Description Five color-coded units with graduated resistances available Allows measurement of initial strength and patient progress Spring-loaded buttons allow the patient to strengthen and flex each finger Increases hand, wrist and forearm strength Flexible Santoprene ergonomic grip snaps onto unit handle Resistance codes: Yellow= 1 1/2 lbs., Red=3 lbs., Green=5 lbs., Blue=7 lbs., Black=9 lbs. A display stand is sold separately
