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): 137.7 mm/5.42”
Length (uncapped): 127.2 mm/5.00”
Length (posted): 170.8 mm/6.72”
Diameter (section): 10.2 – 11.3 mm/0.40” – 0.45”
Diameter (barrel): 10.6 – 13.3 mm/0.42” – 0.52”
Weight (all): 47.5 g
Weight (cap): 24.5 g
Weight (body): 23.0 g