Just my humble opinion.
Otto Hutt Design 07 Fountain Pen Review
This pen was kindly lent to me by Otto Hutt – thank you! Remember that you can get a 10% discount on Otto Hutt products at Appelboom by clicking the Appelboom banner to the right.
Measurements
Length (capped): 139.4 mm/5.49”
Length (uncapped): 124.2 mm/4.89”
Length (posted): 162.4 mm/6.39”
Diameter (section): 10.0 – 11.5 mm/0.39 – 0.46”
Diameter (barrel): 8.8 – 13.6 mm/0.35 – 0.54”
Weight (all): 67.0 g
Weight (body): 38.5 g
Weight (cap): 28.5 g
My Personal Pens Titan 720
Waldmann Edelfeder Fountain Pen Review

Length (capped): 137.7 mm/5.42”
Length (uncapped): 124.5 mm/4.90”
Length (posted): 153.5/6.04”
Diameter (section): 8.7 – 9.3 mm/0.34” – 0.37”
Diameter (barrel): 8.4 – 10.7 mm/0.33” – 0.42”
Weight (all): 41.5 g
Weight (cap): 23.0 g
Weight (body): 18.0 g
Consult the Doctor Episode 52
Otto Hutt Design 06 Fountain Pen Review
This pen was kindly lent to me by Otto Hutt – thank you! Remember that you can get a 10% discount on Otto Hutt products at Appelboom by clicking the Appelboom banner to the right. Note that I said this is a fine nib in the video, but it is actually a medium nib.
Measurements
Length (capped): 138.3 mm/5.44”
Length (uncapped): 121.0 mm/4.76”
Length (posted): 155.2 mm/6.11”
Diameter (section): 8.6 – 11.3 mm/0.34 – 0.45”
Diameter (barrel): 9.3 – 11.4 mm/0.37 – 0.45”
Weight (all): 45.5 g
Weight (body): 30.0 g
Weight (cap): 15.5 g
On Fountain Pen Repair
Wancher Kaleido Stub and Flex Nibs Review
This pen and nib was kindly sent to me by Wancher – thank you!
Measurements
Length (capped): 150.2 mm/5.92”
Length (uncapped): 137.6 mm/5.42”
Length (posted): N/A
Diameter (section): 11.2 – 12.3 mm/0.44 – 0.48”
Diameter (barrel): 16.6 mm/0.66” (uniform)
Weight (all): 32.0 g
Weight (body): 23.0 g
Weight (cap): 9.0 g
Consult the Doctor Episode 51
Narwhal Schuylkill Dragonet Sapphire Fountain Pen Review
This pen was kindly sent to me by Narwhal; get yours here.
Measurements
Length (capped): 146.7 mm/ 5.77”
Length (uncapped): 131.0 mm/5.16”
Length (posted): 173.9 mm/ 6.85”
Diameter (section): 9.9—11.8 mm/0.39—0.47”
Diameter (barrel): 11.4—13.1 mm/0.45—0.52”
Weight (all): 30.5 g
Weight (body): 18 g
Weight (cap): 12.5 g