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): 146.6 mm/5.77”
Length (uncapped): 128.4 mm/ 5.06”
Length (posted): N/A
Diameter (section): 11.0—11.8 mm/0.43—0.46”
Diameter (barrel): 7.9—14.3 mm/0.31—0.57”
Weight (all): 64.0 g
Weight (body): 37.0 g
Weight (cap): 27.0 g