This affordable pen, available through ebay, for example, is quite a bargain: around $20 for a piston-filler! This pen was lent to me by my friend Mr Visconti.
Measurements
Length (capped): 140.7 mm/5.54″
Length (uncapped): 129.9 mm/5.11″
Length (posted): doesn’t post reliably
Diameter (barrel): 11.8 – 12.3 mm/0.46″ – 0.48″
Diameter (section): 9.2 – 10.7 mm/-0.36″ – 0.42″
Weight (all): 24 g
Weight (cap): 10 g
Weight (body): 14 g
