ABLE-T Spring-Assist Gyro Ball (No Pullstring Needed)

MEDICALLY ENDORSED EXERCISE -- Approved by a certified occupational therapist, cofounder of ABLE-T Products.

STRENGTHENS WRISTS - Spins at up to 15,000+ RPM to exercise and strengthen wrists and hands; also beneficial in promoting coordination and blood circulation.

SMART DESIGN - Small and compact but provides ample resistance via momentum for an intense workout; generate 26.8 lb-in of torque at 10,000 RPM. You can get a challenging, strengthening workout anytime, anywhere. Silicone grip to eliminate slipping in your hand. Detachable wrist strap provided for your safety.

SUITABLE FOR EVERYDAY USE - Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.