Left to right: #5, #6, #7, #8
#5 nib
#6 nib
#7 nib
#8 nib
On Fountain Pen Nib Sizes: #5, #6, #7, #8
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Fountain Pen Shootout Opus88 Koloro vs. Opus88 Koloro Demonstrator
Let’s compare two pens with the same cool filling system by the same brand. The Koloro was sent to me by Pen Chalet; the Demonstrator was sent to me by Goldspot – thanks a lot! You can check out the full reviews of these pens, if you like: Opus88 Koloro and Opus88 Koloro Demonstrator.
Opus88 Koloro Fountain Pen Review
This pen was kindly sent to me by Pen Chalet – thank you!
Measurements
Length (capped): 142.9 mm/5.62″
Length (uncapped): 125.8 mm/4.95″
Length (posted): 162.7 mm/6.40”
Diameter (section): 10.0 – 11.9 mm/0.39″ – 0.46″
Diameter (barrel): 12.0 – 14.1 mm/0.47″ – 0.55″
Weight (all): 24 g
Weight (cap): 11 g
Weight (body): 13 g
