Cleaning my first Koh-I-Noor Rapidograph pen. Haven't used it so I'm soaking it since it seizes from time to time. Trying different solutions. This one is just straight 91 alcohol. : r/fountainpens
Rapidograph Pens | Koh-I-Noor
Rapidograph Syringe Cleaner 4048500346439 | eBay
Koh-I-Noor Pressure Pen Cleaning Kit | BLICK Art Materials