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

Measurements
Length (capped): 144.0 mm/5.67”
Length (uncapped): 132.1 mm/5.20”
Length (posted): 177.7 mm/6.76”
Diameter (section): 10.8—11.9 mm/0.42—0.47”
Diameter (barrel): 10.3—14.4 mm/0.41—0.57”
Weight (all): 42.5 g
Weight (body): 31.0 g
Weight (cap): 11.5 g