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): 139.0 mm/5.47”
Length (uncapped): 127.1 mm/5.00”
Length (posted): 168.7 mm/6.64”
Diameter (section): 10.2 – 11.1 mm/0.40” – 0.44”
Diameter (barrel): 11.1 – 13.2 mm/0.42” – 0.52”
Weight (all): 34.0 g
Weight (cap): 19.5 g
Weight (body): 14.5 g