... and a grade ABS LED: 6pcs a grade LED Item No.:868N Product naem:Wrist ball with LED Description:Sheel material: A ... sports like golf,tennis,squash,cricket,baseball,bowling,basket ball,motocross,mountain climbing.-Increase strength in fingers, wrists, ... rotor will damage.-Do not touch the ball rotor when it is spinning at high speeds,it will burn.-Do ... Keep away from dust and damp 868N Wrist ball with LED