This pen was kindly lent to me by Joost Appelboom. Don’t forget to click the Appelboom banner on the right to obtain a 10% discount on your order (excluding Montblanc).

Measurements
Length (capped): 144.2 mm/5.68”
Length (uncapped): 128.4 mm/5.06”
Length (posted): 148.4 mm/5.89”
Diameter (section): 8.3 – 11.4 mm/0.33” – 0.45”
Diameter (barrel): 8.6 – 12.3 mm/0.34” – 0.48”
Weight (all): 35.0 g
Weight (cap): 24.5 g
Weight (body): 10.5 g