Gyroscopic wrist exercise Force Ball Courts Equipped with Li-Ning's high-density composite

Equipped with Li-Ning's high-density composite shock absorption system

Beam Width: 7 mm

Dynamic-Optimum Frame

Durability (7/10)

83g) G5 Stringing Advice 4U: 20 - 28 lbs Color(s) Black/Blue Item Code AXC

Gyroscopic wrist exercise Force Ball Courts Equipped with Li-Ning's high-density compositeFunction Perfect exercise gadget for sports like badminton, golf, tennis, squash, cricket , baseball, bowling, basketball, motocross, mountain climbing. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders. Great benefit for musicians, guitarists, pianists, drummers. Rehabilitates sore muscles and joints. Description: How does it work? The high performance internal gyroscope reaches up to 10,000 rpm and is