Slightly curved it fits in the 8mm tubes, It will take a Parker style refill. Aprox .765 long from the shoulder to tip. Used it in the Euro style 8mm pens or the Custom Sierra style pen.
Straight lines and a shoulder, it fits the 8mm tubes. Parker style refills.
Straight lines with 6 recessed areas for inlay. 8mm tubes, Parker refills
Nose cones for
8 mm tubes
Custon Euro Design, 1012 nose cone, 3mm center band tapered cap, clip 4005