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

Measurements
Length (capped): 146.4 mm/5.76”
Length (uncapped): 132.3 mm/5.21”
Length (posted): 165.6 mm/6.52”
Diameter (section): 10.8 – 11.6 mm/0.43” – 0.46”
Diameter (barrel): 9.6 – 13.2 mm/0.38” – 0.52”
Weight (all): 28.0 g
Weight (cap): 16.5 g
Weight (body): 11.5 g