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

Measurements
Length (capped): 149.9 mm/5.90”
Length (uncapped):  132.0 mm/5.20”
Length (posted): N/A
Diameter (section): 10.4—11.8 mm/0.41—0.47”
Diameter (barrel): 13.9/0.55 (uniform)
Weight (all): 33.0 g
Weight (body): 19.0 g
Weight (cap): 14.0 g