Fits G2, G6, G2 Pro, G2 Limited, G-Knock, Dr. Grip Gel & Ltd. retractable pens. Rollergel. Archival safe acid free ink. Made in Japan.
To Replace Refill: 1. Unscrew the rubber grip end from the barrel, remove old refill and discard. Be careful not to discard refill spring. 2. Drop new refill into barrel. 3. Reconnect rubber grip end to the barrel and you're ready to write!
Always refer to the actual package for the most accurate information