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
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
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Amazon.com: rOtring Cleaning Fluid For Drawing Pens 100 ml, White : Electronics
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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
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1pc rOtring Isograph Needle Pen 0.1-0.8mm Repeated replacement nib Addable Ink hook line pen Hand-painted/ Drawing Pen
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