Parker Jr. Streamline erasers - 6mm
Each box of Parker "51" Auto Feed erasers contains two erasers, 6mm in diameter and 12mm long, with metal retainer.
NOTE: Vintage erasers are new old stock but are prone to hardening, just as is the case with the old erasers they are replacing. Our vintage erasers will improve the looks of your pencil but in most cases will not be effective erasers.