Adapter with 4mm and 3.5mm insert shafts. Can be used on all technical fountain pens, mechanical pencils, nylon stick pens, and ballpoints.

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Adapter with 4mm and 3.5mm insert shafts. Can be used on all technical fountain pens, mechanical pencils, nylon stick pens, and ballpoints.

  • VERSATILE - The Alvin Universal Compass Adapter provides additional functionality and maximum versatility for all Alvin compasses.
  • 3.5 AND 4 MM SHAFTS - It includes 3.5-millimeter and 4-millimeter insert shafts.
  • COMPATIBILITY - Compatible with all Alvin compasses.
  • WIDE USES - By using this adapter, it allows any compass to accommodate a wide variety of drawing pens and pencils including technical fountain pens, mechanical pencils, nylon stick pens, and ballpoints.
  • A PROFESSIONAL'S CHOICE - Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century.
  • VERSATILE - The Alvin Universal Compass Adapter provides additional functionality and maximum versatility for all Alvin compasses.
  • 3.5 AND 4 MM SHAFTS - It includes 3.5-millimeter and 4-millimeter insert shafts.
  • COMPATIBILITY - Compatible with all Alvin compasses.
  • WIDE USES - By using this adapter, it allows any compass to accommodate a wide variety of drawing pens and pencils including technical fountain pens, mechanical pencils, nylon stick pens, and ballpoints.
  • A PROFESSIONAL'S CHOICE - Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century.

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