TecUnite 2.75 Inch Ballpoint Pen Refills for Diamond Crystal Stylus Pens and Ballpoint Pens with Black Velvet Bag, 20 Pieces (Blue Refill)

I bought three different Swarovski Crystalline Ballpoint Pens (the ones with the really pretty colored crystals at the top) but the pen only comes with black ink so I wanted a blue ink option to swap out with. Based on other reviews I bought this and one other option from amazing and I'm happy to say they work perfectly. Easy to swap out and secure when I write. If you're looking for a refill or a change in ink color go with these.

Have owned a ceramic 3 inch pen for over 15 years...needed ink refills...headed straight to Amazon...found refills/ ordered...7MMS long as described...when you insert refills make sure you take off the rubber protector on the tip of ink...the screw cap didn't fit my pen but I have the original...very pleased with purchase...one of my favorite pens for journaling...you saved my life...thanks and will order the blue and red set also...nice velvet bag comes with the 20 pack...Amazon shipped within 2 days of initial order not using Prime...

These work just great, if you are looking for a black 2.75 inch refill. It is a “Cross Type” refill, but if you measure your refill with a threaded top and it is 2.75 inches, it will fit!! Has allowed me to use a favorite logo pen that is a combo pen and penlight. Works well for me. The ink is not as deep black as some, but that is trivial for what I need. If you want an exact black ink for your name brand pen, pay name brand prices for the refills.

I needed to refill pens that my husband got when he was working, the kind places send you for advertising. They usually have a flashlight in the end too. The only issue is the ink cartridge is small, so my husband told me throw them away, so I got on Amazon and found these refill. They fit in the pens perfectly, and write so smoothly, and for the price it was definitely worth it.

These are terrible. They fit the pen great, and at first they write with a nice dark, even color. But they run out fast and they start skipping very soon into refilling. I’m already on my 4th refill on this pen and I just purchased these Dec 5th.

I prefer blue ink and until I located these refills were frustrated in finding the size and color of ink for pocket size small mini pens. These fit small mini pens better than the 3 " refills that are a bit too long for some.

I have 2 Swarov. crystal pens that needed refills. One required the plastic "holder" at te top and one is just the straight met ink tube without the plastic top. These worked fine for both. I hae only tried the ink in 3 of the refills so far but it is dark blue and writes very smoothly. Very happy so far

I needed it for my Svarovski pen. II use the pen 2 days a week in my job and the ink lasts about one month. However, it is very inexpensive so it is a great buy and I am able to use my "special" pen.