CanDo Hand exerciser finger strengthener CanDo® Digi Extend n' Squeeze, green (medium)

Increases strength, flexibility and coordination of individual fingers Combined the best features of Digi-Extend and Digi-Squeeze Offers a full and varied exercise program (bending and stretching) The ergonomic ball shape ensures ideal pressure distribution in the fingers and the hand Comes in 5 strength levels: extremely easy / yellow, easy / red, medium / green, difficult / blue and extremely difficult / black; comes with exercise booklet