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This medium width refill fits all Waterman ballpoint pens. Sanford L.P., is a Newell Rubbermaid company based in Oak Brook, Illinois, USA. Sanford is the largest writing products manufacturer in the world. It is primarily known for manufacturing Sharpie, Paper Mate, and Prism color products.
Waterman Ballpoint Refill for Ballpoint Pens Medium point Blue ink (834264) - B00007JQQZ