Namisu N1/N2
A great little pocket pen that goes full size when posted. Cap is held on with o-rings.
Variants: N1 & N2. The rollerballs are the same. The fountain pen versions have different nib sizes. #5 on the N1 and #6 on the N2. Available in Steel/Aluminum & Titanium.
Refill: Parker-Style G2 & Schmidt P8127.