These ancient balls should be in the hands of grip specialists and everyone who could benefit from increased manual dexterity, range of motion, and muscle control.
Level I chrome balls (with chimes) are 1-1/2″ in diameter and about 4 oz. Includes easy-to-follow Dexterity Ball Training for Hands course by John Brookfield.
No. 1263-I (1 lb.) set of 3 Level I chrome balls and training course $19.95