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Threaded locks for earlier Montblanc piston seals. Small: Outer diameter is 0.312 inches. Threaded. Marked "locking nut" Medium: Outer diameter is 0.281 inches. No threads. Marked "centering ring" Large: Outer diameter is 0.365 inches. No threads. Marked "centering ring"
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🇺🇸 Ship from USA · On Agora since 2026
$20.00