This pen was kindly lent to me by 4M – thank you!

Measurements
Length (capped): 155.4 mm/6.12”
Length (uncapped): 138.0 mm/5.44”
Length (posted): 172.8/6.80”
Diameter (section): 11.0 – 13.4 mm/0.43” – 0.53”
Diameter (barrel): 8.3 – 15.6 mm/0.33” – 0.62”
Weight (all): 30.5 g
Weight (cap): 21.0 g
Weight (body): 9.5 g