Cassette ink [a set of 6] magnetic suction - suitable for log hexagonal pens

▌About cartridge ink Applicable to｜Magnetic suction-log hexagonal fountain pen The last photo of the product shows the applicable pen type of the ink, and the product does not include the pen ▌**About Sanhe Manufacturing Institute** In 2017, three young designers co-founded Sanhe Manufacturing. We love handmade and creation, just like the three circles in the brand logo, mutual assistance and support are indispensable. With their respective expertise and ideas, they collide and merge with each other to create infinitely possible shapes and ideas, hoping to bring more warmth and uniqueness to life. https://c1.staticflickr.com/1/837/28286581937_3da36c0996_b.jpg