The Wrist Trainer Ball weight:260g. Made of high quality metal and ABS material, sturdy, durable and long service life. Once wrist ball rotating ,it keeps going as long as you keep your wrist moving until you let it stop , no need to worry about it will stop when you exercise . A strong grip coach for golf, mountain climbing, basketball, cricket, and martial arts, improving the performance of pianists, drummers and guitarists. Built-in self-starting device, it can be started easily by pushing and releasing.
1 x Wrist Trainer Ball
luckiner Wrist Trainer Ball Exerciser Hand Spinner Gyroscopic Ball Metal TypeNo light,Blue - TNMB0OE2