Fisher Space pen for any V.1 ChambersScribers.
Choose black or blue ink.
I recommend that you have 6 pens, or more, on hand for each scriber that you own.
This pen is for V.1 scribers ONLY.
Not sure what pen to order? The scriber model ( V.1 or V.2 ) is engraved on the body of your tool.
This is Fisher part # PGB27BK3 (black) or PGB27BU (blue).