This pen was kindly lent to me by Joost Appelboom – thank you!
Measurements
Length (capped): 107.1 mm/4.22”
Length (uncapped): 100.4 mm/3.95”
Length (posted): 127.8 mm/5.03”
Diameter (section): 9.5—10.0 mm/0.38—0.40”
Diameter (barrel): 10.1—10.9mm/0.40—0.43”
Weight (all): 11.0 g
Weight (body): 6.0 g
Weight (cap): 5.0 g