Amazon.com : Zebra(ZEBRA) ZEBRA Oil-based Permanent Marker Twin Type ''Mckee'' 0.7mm and 0.3mm Blue 5-Pack : Office Products
Amazon.com: Micro-Line Ultra Fine Point Ink Pens - (SET OF 16) - Archival Ink - Assorted Colors in 0.3 MM Felt Tip - 5 Blacks in Tip Sizes 0.25MM to 0.5MM -
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Leto 0.1/0.3mm White Marker Pen Waterproof Graffiti Pen Paint Oil Marker Pens For Car Tire Permanent Paint Markers Pen - Art Markers - AliExpress
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Sharpie Fine Point Permanent Marker, Blue, 0.3mm, 12 count | eBay