Wrist Trainer Powerball Arm Strengthener Essential Gyroscopic Wrist and Forearm Exerciser Ball

Description

• Strengthen fingers, wrists, hands, forearms, shoulders and bicep etc., and also be beneficial in promoting co-ordination and blood circulation.
• Rehabilitates sore muscles and joint, great for musicians, guitarists, pianists, drummers.
• Small, compact and transportable, you can take anywhere. Simple to start with a pull-string.And the ball with flashing LED
• All you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball.
• The faster you spin the harder your muscles work.

• Diameter: 7.3cm
• Weight: 260g

• 1 x Gyroscope Ball