La-VIE 3B-1075 Power Wrist Training Ball, Muscle T

Snap forgation! Rotating spheres are rampaged! Strengthen your wrist and grip strength. Weight: Approx. 7.1 oz (200 g). The "Power List" is a ball that trains your wrists by turning the ball built into a rotating ball Pull the winding string and the rotating ball will turn, and you can train your wrist with its centrifugal force! Rotate your wrist as you spin it for more revolutions and more weight High speed rotation increases wrists, grip, arm strength, and snap strength Train your muscles from your shoulder to your fingertips