Thanks to Hongdian/Asvine for sending me these pens.

Measurements
Length (capped): 137.9 mm/5.43”
Length (uncapped): 121.1mm/4.77”
Length (posted): 166.3 mm/6.55”
Diameter (section): 8.7 – 10.4 mm/ 0.34 – 0.41”
Diameter (barrel): 9.9 –11.5 mm/ 0.39 – 0.45”
Weight (all): 37.0 g (carbon fibre; brass is two grams lighter)
Weight (body): 22.0 g
Weight (cap): 15.5 g