5.67 x 4.53 x 1.02 inches

FINGER, HAND, FOREARM DEXTERITY – Develops and maintains the strength and dexterity of your fingers, hands, and forearms.
WARM UP – Perfect tool for pre-show warm-ups and maintaining conditioning
COMBAT FATIGUE – The unique turning mechanism keeps you engaged and combats fatigue while providing noticeable improvements to your fretting and picking hands.