To refresh your TRC ballpoint pen, simply twist and remove the used refill before inserting a new one and securing the pen tip. Used with the Ballpoint Pen by Traveler's Company found here. 

Ink Color / Black
Package / H 4.9" x W 1" x D 0.12"
Refill / D 0.1" x H 2.7"
MADE IN JAPAN
No.36638006