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Anterique's Mach Ball refill in 0.5mm black — ultra-low-viscosity oil-based ink with a spring-loaded tip that controls flow precisely, keeping lines crisp and smudge-free. 0.5mm tip, black ink Ultra-low-viscosity Mach Ball oil-based ink Spring-loaded tip for precise ink flow control Compatible with Anterique Stationers ballpoint pens Made in Japan Also compatible with: Anterique Matte Gel Pen Ballpoint Pen Mark's Days Mini Ballpoint Pen Mark's Days Mach Duo-Tone Ballpoint Pen Penco Knock Ballpoint
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🇺🇸 Ship from USA · On Agora since 2026
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