Schneider Ink Cartridge, Standard Format, Ball Closure, Refill for Fountain and Cartridge Rollerball Pens, Black Ink, Box of 6 Cartridges (6601)

Great, works right away. Not the darkest of ink. But great!

I use these cartridges with two BEILUNER Fountain Pens that I have. The cartridges work very well, with smooth flowing ink and good color. I am also impressed with their water resistance. It is far superior to other fountain pen ink cartridges that I have used. Highly recommended!!

Great product

I love these. The ink is easy to install and dries quickly. My only concern is tjay these don't come in large pack. If I could get more than 6 I would ne much happier.

work perfectly in my fountain pen

This does fit / work with the Amazon Basics fountain pen.

I put a refill in my fountain pen last night. I tried writing with the pen, no ink flow. This is normal and I gave it time. Still no flow. Let it sit upside down over night and still no flow. This is a pen I used in the past, worked great, ran out of ink and bought these to refill it. Maybe my pen is the problem, like dried ink blocking the flow, but for me, this is my issue. It is a good black color, just no ink flow for me sadly.

Easy to install—good to have extras on hand.

Great

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非常にクッキリとした黒です。独自規格ではなく欧州共通規格ですので使い回しがききます。入手性が良くコスパにも優れているという、超優等生のようなインクカートリッジです。シュナイダーの万年筆にコンバータを装着して極黒を入れようかと思っていましたが、もうこのカートリッジの方が良いということになり早速100本入りを注文しました。

Ottimo prodotto, funzionano molto bene sulla penna stilografica. Consiglio

Great writing experience. Flows well. Good price Will buy again