This pen was kindly lent to me by 4M – thank you!
Measurements
Length (capped): 139.5 mm/5.49”
Length (uncapped): 123.9 mm/4.88”
Length (posted): 154.0 mm/6.10”
Diameter (section): 8.7—11.0 mm/0.34—0.43”
Diameter (barrel): 8.7—11.9 mm/0.34—0.47”
Weight (all): 35.0 g
Weight (body): 26.0 g
Weight (cap): 9.0 g