30 PCS Asvine Hongdian Fountain Pen Ink Cartridges 6 Colors Set (Black, Blue, Green, Red, Purple, Light Blue), 3.4mm Bore Diameter

I bought these cartridges to use with my Hong Dian M2 fountain pen. Used a green cartridge first without problems. But when I wanted to use a light blue cartridge it would not click into the pen. I compared all the cartridge colours and discovered that the tops of the blue and light blue cartridges are different! The shape of the top is clearly different and there is a very slight difference in the height of the cartridges as well. This is clearly visible in the pictures. Obviously there was a problem with the production process. My pen came with a converter and I can transfer the ink, but I should not have to with cartridges that are meant to fit this specific brand and model pen. I won't buy them again.

Zgodnie z opisem produktu: 6 opakowań różnych kolorów po 5 wkładów do piór marki Hongdian.

I ordered this ink to go with my new Hong Dian Silver Birch Forest pen. Both items are new to me, but fountain pens and their inks are not. I have a number of pens including Sailor, Waterman, Pelikan, Cross, Parker, Papermate (this Papermate was done by Montblanc, and one of my favorites!). I even have an old original Panache calligraphy pen from England. Needless to say I have and am using many of the pens' makers own brand of inks; I even have a nice red Montblanc I find to be nice in more than one pen. Right now my favorite is "Oxblood" by Diamine. So, how does this Asvine black compare to say the Sailor "Jentle" black (the original formula, not the current black) or the very nice blacks that Cross, Waterman and Parker offer? Actually it stands up quite well on its own. Is it their equal? Well I think since every individual is just that, an individual with like tastes and esthetics, I can only answer that I find it writes very smoothly, without puddling, dryness, scratchiness or saturating any of my different writing papers. It has only been used in my Hong Dian pen, but I only bought cartridges until I could determine if the ink would be worth ordering a bulk bottle. The "feed" on the Hong Dian is a different size from all of my other pens, consequently the purchase of the cartridges to start out. But so far I could see buying in bulk as I love the pen and I think the ink is very good and a great value. Whether I would like it in any of my other pens I couldn't say yet, but I think it's a possibility. It doesn't have the lubricity of Sailor "Jentle" or the "presence" of Diamine "Oxblood", but I think it does provide a handsome line of script and it has not failed to start once or dried out in my pen. Granted I use my pens daily and that's an important consideration. The pens themselves are also an important part of the equation. Regardless, if you're looking for an inexpensive black ink I think it's worth a try in any pen, and the way it lays down on paper I think it's going to be a very versatile and useful addition to my collection, Just don't plan on using these cartridges in pens that don't use the 3.4 mm Asian standard. In that case buy a bottle and fill your own!

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