This pen was kindly lent to me by my friend “Mad Hatter” Mike – thank you!

Measurements
Length (capped): 134.0 mm/5.27”
Length (uncapped): 119.8 mm/4.72”
Length (posted): 163.5 mm/6.44”
Diameter (section): 9.7 – 10.6 mm/0.38” – 0.42”
Diameter (barrel): 10.5 – 12.9 mm/0.41” – 0.51”
Weight (all): 35.5 g
Weight (cap): 19.5 g
Weight (body): 16.0 g