increase strength of fingers ,wrist ,hand fitness and health suitable for children and old people Parameter materialpppackagecolor boxctn/quantity43*39*47cm/34.5pcsFcl20'GP/40'GP/40'HQ28800/60000/69000FUNCTION:1,Perfect exercise gadget for sports like golf, tennis, squash, cricket, baseball, bowling, basket ball, motocross, mountain climbing.2.Increase strength in fingers, wrists, hands, forearms ...