This fascinating pen with factory stub nib was lent to me by no one else than Eric Orozco of FPGeeks fame!

Measurements
Length (capped): 163.5 mm/6.43″
Length (uncapped): 141.6 mm/5.57″
Length (posted): 142.4 mm/7.62″
Diameter (barrel): 13.9 – 18.8 mm/0.54″ – 0.74″
Diameter (section): 13.4 – 14.8 mm/0.53″ – 0.58″
Weight (all): 42 g
Weight (cap): 16 g
Weight (body): 26 g