Description
- Gives your hands, wrists and forearms a workout with resistance training.
- Develops and shapes your grip and forearm muscles to improve baseball, tennis, golf games and most sports. Burn fat and get rid of flabby arms.
- Using gyroscopes and celestial mechanics£¬stimulated celestial bodies naturally produce the magnetic.
- Applicable to all people:men and women, young and the elderly.
- Smart,light exercise machine you can carry anywhere and use anytime.
Quality rubber outer ,upper and lower part of package is more fit.Using gyroscopes and celestial mechanics£¬stimulated celestial bodies naturally produce the magnetic.PC shell quality£¬smooth surface£¬to reduce friction with the skin.
Specifications:
Diameter:70mm(same as baseball)
Weight:260g
