Description
The PLATINUM Preppy Fountain Pen (Medium) PSQ-400 offers a slightly broader, smoother writing experience than the fine version while keeping the same lightweight, cheerful design.
Its medium stainless steel nib delivers rich, consistent lines with excellent flow, making it ideal for everyday writing, journaling, and longer notes. The transparent body shows your ink color clearly, and the Slip & Seal cap prevents drying for up to one year.
*Important: Japanese fountain pen cartridges are not interchangeable between brands (e.g., Pilot, Sailor, Platinum). Please double-check cartridge's compatibility before purchasing.
Key Features
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Smooth medium nib — stainless steel medium nib writes with rich, effortless flow
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Ink visibility — transparent body lets you monitor ink level and color easily
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Long-lasting seal — Slip & Seal cap keeps ink fresh for up to 1 year
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Light & comfortable — only 13 g with vibrant, ink-matching body colors
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Easy refills — compatible with SPSQ-400 cartridges or SPN-100A converter
Specifications
| Nib |
Extra Fine (stainless steel) |
| Refills |
SPSQ-400 cartridges or SPN-100A converter |
| Dimensions |
Max diameter 13 mm × Length 138 mm |
| Weight |
13 g |
| Usage Notes |
Cartridge included; Slip & Seal keeps ink fresh up to 1 year; Japanese cartridges are brand-specific |
