CanDo TheraPutty hand putty is the leader in resistive hand exercise material. Available in six color-coded resistance levels, CanDo TheraPutty has different firmnesses ranging from xx-soft for strengthening the weakest grasp to extra-firm for developing a stronger grip. Squeeze, pinch, stretch or twist CanDo TheraPutty using a variety of different finger, hand and wrist resistive exercises to strengthen hand muscles, improve fine motor skills, and decrease stress. Just a few groups this product is ideal for include: physical and occupational therapists, golfers, tennis players, musicians, weight lifters, children, and the elderly.