These pens were kindly sent to me by BENU – thank you!

Measurements
Length (capped): 150.5 mm/5.93”
Length (uncapped): 139.0 mm/5.47”
Length (posted): 170.6/6.72”
Diameter (section): 10.0 – 12.1 mm/0.40” – 0.48”
Diameter (barrel): 10.4 – 14.9 mm/0.41” – 0.59”
Weight (all): 26.5 g
Weight (cap): 15.0 g
Weight (body): 11.5 g