CanDo Gel Hand Exercise Ball, Small Circular, Black, X-Firm

Cando gel squeeze ball hand exerciser for grip strength, dexterity, mobility, and fine and gross motor skills. heat or chill for use in hot or cold therapy. available in 6 color-coded resistance levels. each level (firmness) available in circular or egg shape. balls can withstand temperatures ranging from -76°f to 167°f. standard circular - black - x-heavy.