... material: Zinc-alloy and a grade ABS LED: 6pcs a grade LED Item No.:868N Product naem:Wrist ball with ... LED Description:Sheel material: A GRADE PCRoller material: Zinc- ... :-Perfect exercise gadget for sports like golf,tennis,squash,cricket,baseball,bowling,basket ball,motocross,mountain climbing.-Increase strength ... from dust and damp 868N Wrist ball with LED