A kind thank you to Ellington Pens for sending me these pens! And, as promised, the FPN thread that was referenced.
Measurements
Length (capped): 141.4 mm/5.57”
Length (uncapped): 119.7 mm/4.71”
Length (posted): 153.1 mm/6.03”
Diameter (section): 8.4—10.3 mm/0.33—0.40”
Diameter (barrel): 8.6—11.8 mm/0.34—0.47”
Weight (all): 36.0 g
Weight (body): 20.0 g
Weight (cap): 16.0 g