Platinum Preppy O-Rings replacement for all Preppy fountain pens. Sold as singles.
Simply put, they do the job.
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Blackwing Pearl Pencil 12 Pack Set - Blue
Blackwing One-Step Sharpener Replacement Blades (Set of 3)
Blackwing One-Step Long Point Sharpener – Black
Blackwing Notebook Clip
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