The coupling elements were hand made from brass on a metal lathe. It is a bespoke item that was made without a pen kit.
Nib size, and material: f, or m, stainless steel, . Filling system: international ink cartridge or converter (cartridge is included), . Pen length closed: approximately 140 mm, .Pen length open, cap off: approximately 125 mm, . Section diameter: approximately 10.6 mm, . Barrel diameter: approximately 14 mm, .
Cap diameter: approximately 15 mm, . On this pen, the cap cannot be posted.This item is made of brass and resin.