Can you replace the nib? With a flex nib?

You can replace the nib on an X750 with any #6 nib. The number 6 refers to the overall size of the nib (I know that at least there are #5's and #6's--6 is larger). Google "flex nib #6" to find some #6 flex nibs. Goulet Pens sells one called "Noodler's Ahab/Konrad #6 Steel Nib - Flex."

Is the pen with the stainless barrel thinner than the others? It appears to be in the product photo.

I compared the Jinhao 750 with the 100 classic, the 500, and the Amon man 600S. To the naked eye, their barrels are quite similar, but the caps are slightly wider. All lengths are very close. The 750’s cap is the same diameter as it’s barrel, giving it a sleek appearance. Of those mentioned above, my flat black and purple 750’s are very classy in comparison. For the price, you can’t go wrong.

Will this fit international long cartridges?

Yes, the intnl long cartridges do fit.

Im looking for the jinhao flex nib pen. Is this one??

No The flex nib you are probably looking for is a combo of this pen and the Zebra flex nib. I made one and it is a bit of work as the nib needs to be opened up a bit. Plenty of you tube tutorials on how to do it. This pen comes with a med nib. Writes well for what it is.

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✒️ Write your success story with every stroke.

INK FREEDOM - Includes a screw-type converter compatible with bottled inks, giving you endless color and style options.
READY FOR ACTION - Comes with a converter but no ink—customize your writing experience with your favorite shades.
BALANCED PRECISION - At 138mm length and 36g weight, it offers a comfortable, professional grip that lasts through long meetings.
SLEEK STEEL DESIGN - Minimalist steel body with a push-type cap that complements your executive aesthetic.
EFFORTLESS ELEGANCE - Steel nib delivers a consistent 0.5mm medium line for flawless note-taking and signature moments.

The czxwyst JINHAO X750 Steel Fountain Pen features a medium steel nib for smooth 0.5mm lines, a balanced 138mm length and 36g weight for comfortable use, and a versatile screw-type converter compatible with bottled inks. Its sleek steel body and push-type cap make it a stylish, professional writing instrument designed for millennial managers who value both form and function.

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Manufacturer	czxwyst
Brand	czxwyst
Model number	X750
Product Dimensions	13.8 x 1.4 x 1.4 cm; 36 g
Color	Steel Body
Closure	Retractable
Grip Type	Contoured
Pencil Lead Degree (Hardness)	H
Material Type	Metal
Number of Items	1
Size	1 Count (Pack of 1)
Point Type	Medium
Line Size	0.5mm
Ink Color	Silver
Manufacturer Part Number	x750
Item Weight	36 g

czxwystJINHAO X750 Steel Fountain Pen

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