This fascinating, double-nibbed pen was kindly sent to me by Tom of Goldspot Pens – thank you! Twice the nibs, twice the inks, twice the fun!

Measurements
Length (capped): 148.7 mm/5.85″
Length (uncapped): 140.9 mm/5.55″ (both ends uncapped)/145.1 mm/5.71″ (one end uncapped, one end capped)
Length (posted): N/A
Diameter (barrel): 14.4 mm/0.57″
Diameter (section): 9.8 – 10.8 mm/0.39″ – 0.43″
Weight (all): 22 g
Weight (cap): 17.5 g
Weight (body): 4.5 g