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Sailor 0500 Ballpoint Pen Refill (Red - 0.7 MM) 18-0500-230
SKU: 80286028 · In Stock
Sailor 0500 Ballpoint Pen Refill (Red - 0.7 MM) 18-0500-230
The Sailor 0500 series is Sailor’s “Standard Ballpoint” refill line, intended for use in Sailor’s ballpoint or twist?action ballpoint pens (e.g. 1911 ballpoint, Reglus, Procolor, etc.). The 0500 series replaces the older 0300 model in many pens with improved ink capacity and updated barrel design.
Within this series, 18?0500?230 denotes the red?ink, 0.7?mm version
This refill offers a fine / medium line in red, suitable for writing, note taking, or any use where you want colored output in a standard ballpoint format.
Key Specifications & Features
| Attribute | Value / Notes |
|---|---|
| Model / Part Number | 18?0500?230 (Red, 0.7 mm) |
| Ink Color | Red (oil?based) |
| Tip / Ball Diameter | 0.7 mm (fine / medium) |
| Dimensions | φ 5.5 mm × 95.5 mm |
| Weight | ~ 3.4 g |
| Barcode / EAN | 49?01680?28602?8 |
| Refill Type / Format | Sailor “Standard Ballpoint” (0500 series) |
| Color / Variant Lineup | Part of family including: Black 0.7 (18?0500?220), Black 1.0 (18?0500?620), Blue 0.7 (18?0500?240) |
| Compatible Pens | Sailor’s ballpoint / twist pens that accept 0500 refills (e.g. 1911 ballpoint, Reglus, Procolor) |
Description & Benefits
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This refill is one of Sailor’s oil?based ballpoint options, chosen for its stable ink viscosity, durability, and smooth writing performance.
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With a 0.7?mm ball, it strikes a balance between a fine line (for more precision) and boldness (for visibility).
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The updated 0500 design is marketed as an “improved version” over older Sailor refills (e.g. 0300), with enhancements in ink capacity and possibly barrel construction
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Because of its standard size and format among Sailor ballpoint pens, replacing or swapping is relatively straightforward when you match the 0500 type and the desired ink / tip size.
Usage & Practical Notes
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When inserting, ensure the refill is fully seated to allow proper contact between the ball tip and ink reservoir; misalignment can cause skipping or inconsistent flow.
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If the pen has not been used in a while, you may need to “prime” the refill by scribbling lightly for a few lines to get the ink flowing smoothly.
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Red ink tends to be more visible on many papers but may show slightly more drying or opacity variation depending on paper texture.
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For best performance, use with medium to good quality paper. Highly absorbent or very coarse paper may degrade line sharpness.
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When replacing, match not only the 0500 series but also tip diameter (0.7 mm in this case) and color to maintain consistency.
Product Information
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Series / Name: Refill 0500 (Sailor Standard Ballpoint / “Standard Ballpoint” line)
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Variant / Model: 18?0500?230 — Red ink, 0.7?mm ballpoint tip
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Ink / Format: Oil?based ballpoint refill (standard format for Sailor’s own ballpoint pens)
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Intended Use / Compatibility: Made for Sailor ballpoint pens (e.g. 1911 Ballpoint, Procolor, Reglus) that accept the 18?0500 refill type
Specifications & Technical Data
| Attribute | Value / Notes |
|---|---|
| Tip / Ball Diameter | 0.7?mm (fine / medium) |
| Refill Length / Dimensions | φ?5.5 mm × 95.5 mm |
| Weight | ~ 3.4 g |
| Barcode / EAN | 49?01680?28602?8 |
| Related Variants in 0500 Series | Black 0.7 mm (18?0500?220), Black 1.0 mm (18?0500?620), Blue 0.7 mm (18?0500?240) |
Features, Advantages & Usage Notes
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Oil-based ink: The red ink used is oil-based, giving stable flow, less smudging, and good shelf life.
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Balanced line width: The 0.7?mm tip gives a usable red line — noticeable but not overly bold.
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Improved design: The 0500 series is an updated version over older Sailor refills (like 18?0300), with enhancements in barrel / ink capacity.
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Proprietary format: It’s a standard Sailor refill format; it may not be interchangeable with non?Sailor refills unless dimensions and fitting coincide.
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Seating & alignment: As with all ballpoint refills, correct seating is important — ensure it is fully inserted so the tip aligns and the ink feed makes good contact.
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