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.
This pen was kindly sent to me by Pen Chalet – thank you!
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