I honestly love all these G nibs. They are perfect for me because I have a heavy hand. I tend to put more weight on things. These nibs are all so smooth and super easy to use. These comparisons are from my own opinions. I think the nibs will differ the user. Nikko G nibs…
Sandeegraphy – Sandee's Portfolio
The Nikko G Nib: The Best Beginner Calligraphy Nib – The Postman's Knock
Wabi-Sabi Calligraphy/calligraphy blog/Tachikawa G Nib/
Nikko G-Nib Review and a Little Muscle Drawing - February 24, 2020 chad brown
Pointed Pen Calligraphy Workshop – Sandeegraphy
Choosing the right calligraphy nib for you - Creative Calligraphy
The Nikko G Nib: The Best Beginner Calligraphy Nib – The Postman's Knock
Comparison between popular Calligraphy nibs
G Nibs: a comparison - n i j o m u
Uplift of the Western Transverse Ranges and Ventura Area of Southern California: A Four‐Technique Geodetic Study Combining GPS, InSAR, Leveling, and Tide Gauges - Hammond - 2018 - Journal of Geophysical Research