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

Measurements
Length (capped): 133.8 mm/5.27”
Length (uncapped): 127.4 mm/5.01”
Length (posted): 164.9 mm/6.49”
Diameter (section): 10.2—11.4 mm/0.40—0.45”
Diameter (barrel): 10.8—13.2mm/0.42—0.52”
Weight (all): 32.5 g
Weight (body): 21.5 g
Weight (cap): 11.0 g