Krone Boulder Fountain Pen Review

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

Length (capped): 137.9 mm/5.43”
Length (uncapped): 117.3 mm/4.62”
Length (posted): 158.7 mm/6.25”
Diameter (section): 10.5—11.4 mm/0.41—0.45”
Diameter (barrel): 11.0—14.7 mm/0.44—0.58”
Weight (all): 31.5 g
Weight (body): 17.0 g
Weight (cap): 14.5 g

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