The ball point end is used for marking number selections on your lottery game cards.
Some game cards are quite large and, as a result, require a lot of scratching.
Two styles are shown above. Both pens have protective caps on them. The state name can be imprinted on the pen, according to the state in which the pen is being sold. Collectors may want to collect pens from each of states in which lottery tickets are sold. Prototypes work very well.