Pen Sizes

Most Scriptorium Pens are available in the following sizes, which are based on the outer diameter of the pen at the barrel threads:

  • Small — 12.8mm/.5″ at the barrel threads
  • Medium — 13.8mm/.54″ at the barrel threads
  • Large — 14.8mm/.58″ at the barrel threads
  • Oversize — 15.5mm/.60″ at the barrel threads

* * * Click Here for the Pen Dimensions Master Comparison Chart
* Other popular brands are listed at the end for comparisons.

* These are general sizes only. The barrel of any particular pen model may be much wider than the diameter at the threads or gripping section, or may taper to a much smaller diameter. * Please note that some pen models may not be available in oversize versions, depending on each particular design and availability of material.

★ Here is a list of some popular “store bought” pens and their diameters, with diameters of Scriptorium Pens below them:

Barrel Diameters of “Store-Bought” Pens
  • Pelikan M400 = 10.16mm or .4″
  • Franklin-Christoph 02 Intrinsic = 11.3mm or .445″
  • Pilot 823 or 845 = 12.7mm or .5”
  • Pelikan M600 = 13mm or .5″
  • Pelikan M800 = 13.4mm  or .527”
  • Sailor Realo = 12.7mm or .5”
  • Franklin-Christoph 065 Stabilis = 12.97mm or .51″
  • Homo Sapiens = 13.9mm or .54”
  • Aurora 88 & Optima = 15.2mm or .59”
  • Naka-ai = 15.2mm or.59”
  • Nakaya Piccolo = 15.24 mm or .6”
  • M1000 = 15.24mm or .6”
  • Sailor King of Pen = 15.24mm or .6”
  • Montblanc 149 = 15.24mm or .6”
  • Nakaya Dorsal Fin #2 = 17.8mm or .7”
  • Namiki Emperor = 17.78mm or .7”
Scriptorium Pens: Barrel Diameter at Threads
  Non-Flush cap and barrel:
  •   Small = 12.8mm (similar to Pilot or M800)
  •   Medium = 13.8mm (similar to Homo Sapiens)
  •   Large = 14.8mm  (closer to the MB 149, M1000, Aurora 88 or Naka-ai)
  •   Oversized = 15.5mm
Wider Models:
Flush Cap & Barrel Styles:
  Idyll, Zephyr, Scroll, & Illuminaire:  Barrel Diameter at Threads and at Step:
  •      Small = 12.8 threads, 15.2 main barrel (similar to the Nakaya Naka-ai, Piccolo, etc.
  •      Medium = 13.8 threads, 16.2 main barrel
  •      Large = 14.8 threads, 17.2 main barrel (Similar to the Dorsal Fin v.2)
  •      Oversized = 15.5mm threads, 18.2mm main barrel

Here’s a photo comparing some Scriptorium Pens to other brands you may be familiar with:

size-comparisons1

Pen Size Comparisons – Click for Larger Image

Left to Right: Lamy Safari, Balladeer – Large, Balladeer – Medium, Chronicler – Medium, Muse – Medium, Scribe – Medium, Edison Huron, Pelikan M805, Visconti Van Gogh Maxi, Parker 51, Pelikan M215.

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