John Brookfield wrote the course for putting these ancient balls--traditionally used for meditation--in the hands of grip-strength 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.
Sale balls are rainbow colored or have cosmetic marks but still fully functional.
No. 1263-I-A (1 lb.) set of 3 Level 1 chrome balls and training course $18.95