Question 1

What size nibs are on these pens?

Accepted Answer

#6 size nib

Question 2

A. Are the nibs really gold-plated ? and B. What width are they -- fine, medium, broad, etc. ?

Accepted Answer

At that price, they are not good plated. Even the steel/silver ones are labelled as 18k.

I'd call them between medium and fine. Definitely not broad.

They are a standard #6 nib so an easy upgrade is ordering a higher quality #6 nib in your choice of size.

The pens are great out of the box and the checkerboard looks great in person.

Question 3

how to put ink cartridge in?

Accepted Answer

The Jinhao 750, as well as the 450, uses the universal, or Waterman type cartridge. It has a short tube molded on the larger end, with and ID of 2.5 mm and OD of 4.5 mm and the length is about 65 mm in length. After unscrewing the pen handle from the nib holder, the end of the cartridge with the tube is pressed into the nib holder. The nib holder has a piercing "beak" that will puncture the cartridge end, and allow ink flow.

Waterman brand cartridges, available at Office Depot, work well in this pen. Some of the really cheap import cartridges available on Ebay do not fit as well, and tend to leak.

The included (sometimes) converter works well, or the Waterman converter works very well with this pen.

The nib usually requires some tuning to obtain good ink flow, but is very serviceable once that is done. I've gotten more than five years constant use from some of the Jinhao X750's. Their only faults I've found are their weight, (brass construction) and the caps sometimes loosen and spin.

Sugest you see "sbebrown", pen review site on YouTube for info on nib tuning. He has many useful videos and reviews of the Jinhao pens.

Question 4

How do i fill ink directly into the pen without using ink cartridge?

Accepted Answer

The pens come with an ink converter, this converter is used instead of an ink cartridge. You take off the converter from the pen, dip it into the ink bottle fill it with ink and put it back into the pen. This converter is reusable.

ASIN	B00DLS8SQQ
Age Range Description	Kid
Body Shape	Cylindrical
Brand Name	Gullor
Closure Type	Cap
Colour	5color
Customer Reviews	4.3 4.3 out of 5 stars (185)
Drill Point	Medium
Included Components	Ink Cartridge
Ink Colour	Black
Is the Product Left or Right Handed?	Ambidextrous
Item Dimensions	14.1 x 1.4 x 1.4 centimetres
Item Weight	0.18 Kilograms
Manufacturer	Gullor
Material Type	Stainless Steel
Model Name	Jinhao X750
Model Number	ZH750
Recommended Uses For Product	Drawing, Writing
Special Features	Refillable
Theme	writing" or "NA
UPC	519482035009
Unit Count	5.0 count
Writing Instrument Form	Fountain Pen

Gullor 5 pcs Jinhao X750 Fountain Pen in Different Colors with Simple Pen Bags

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