![how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring](https://i.redd.it/how-to-clean-these-old-rotring-they-are-clogged-on-the-v0-82c19d6cqhx91.jpg?width=3000&format=pjpg&auto=webp&s=bca7177ff7ae61454d18415c3f0a7d7c6f456a4c)
how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring
![how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring](https://i.redd.it/how-to-clean-these-old-rotring-they-are-clogged-on-the-v0-6vbqqi3pqhx91.jpg?width=3000&format=pjpg&auto=webp&s=eb8b5a5af5019165840d47c64cfa538cc52249e7)
how to clean these old rotring ? , they are clogged on the inside and i have no idea how to clean them (one has fungus inside or smt) . : r/rOtring
![1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen Hand-painted/ Drawing Pen 1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen Hand-painted/ Drawing Pen](https://ae01.alicdn.com/kf/S72bc92d01ae5469493fb2520a10e1526N/1pc-rOtring-Isograph-Needle-Pen-0-1-0-8mm-Repeated-replacement-nib-Addable-Ink-hook-line.jpg)
1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen Hand-painted/ Drawing Pen
![Amazon.com: Rotring Isograph Technical Drawing Pens, Set, 3-Pen College Set (.20-70 mm) : Everything Else Amazon.com: Rotring Isograph Technical Drawing Pens, Set, 3-Pen College Set (.20-70 mm) : Everything Else](https://m.media-amazon.com/images/I/91AFZ-+v-LL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Rotring Isograph Technical Drawing Pens, Set, 3-Pen College Set (.20-70 mm) : Everything Else
![rOtring pen cleaning unit. Can fit 4 isograph nibs or variant style sections and 4 rapidograph nibs or other variant style nibs. Very usefull and safe for loosening dried up ink : r/rOtring rOtring pen cleaning unit. Can fit 4 isograph nibs or variant style sections and 4 rapidograph nibs or other variant style nibs. Very usefull and safe for loosening dried up ink : r/rOtring](https://i.redd.it/b4k2t8k25mc51.jpg)