The Fisher Space Pen refill fits the Robert Chambers Scriber.
Available in Black and Blue ink. Medium Point. Fisher Space Pens work
at ALL angles, and even write underwater. More than 10 years of field
testing have proven these are the best ink pens for scribing logs. Two types available for the Chambers Scriber. V.2 is the current version of the scriber that we sell as a kit. V.1 is the older version.
