---
product_id: 41513949
title: "Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink"
brand: "ohto"
price: "€ 13.26"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/41513949-auto-nbp-505mn-pk-ballpoint-pen-oil-based-pink
store_origin: FI
region: Finland
---

# Business card-sized for ultimate portability Ultra-fine 0.5mm needle tip ballpoint World's thinnest retractable pen axis Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink

**Brand:** ohto
**Price:** € 13.26
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Sharp, Carry Smart – The Pen That Means Business

## Quick Answers

- **What is this?** Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink by ohto
- **How much does it cost?** € 13.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/41513949-auto-nbp-505mn-pk-ballpoint-pen-oil-based-pink)

## Best For

- ohto enthusiasts

## Why This Product

- Trusted ohto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable Powerhouse:** Comes with a compact polypropylene holder that fits seamlessly into your notepad or business card case.
- • **Lightweight Yet Durable:** Crafted from premium aluminum and brass, weighing just 0.1 oz for effortless everyday carry.
- • **Always Ready, Always Stylish:** Side-button knock mechanism ensures quick, reliable use without compromising sleek design.
- • **Sleek Precision in Your Pocket:** Experience the world's thinnest retractable pen, perfectly sized to slip into your business card holder.
- • **Ultra-Fine Ink for Crisp Lines:** 0.5mm needle tip delivers smooth, low-viscosity oil-based ink for flawless, professional writing.

## Overview

The Auto NBP-505MN-PK is a Japanese-engineered, ultra-slim retractable ballpoint pen featuring a 0.5mm needle tip and smooth oil-based ink. Designed for professionals on the go, its business card-sized form factor and lightweight aluminum-brass construction make it the ultimate portable writing instrument for crisp, precise notes anytime.

## Description

Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink

## Features

- The world's finest retractable permanent ballpoint pen that can also be stored in a business card holder
- Size: Total length 3.6 x shaft diameter 0.1 x maximum diameter 0.2 inches (91 x 3.7 x 5.2 mm); Weight: 0.1 oz (3.1 g); Ball diameter: 0.02 inches (0.5 mm)
- Material: Shaft: Aluminum, Ferrule, Knock: Brass, Clip: SK material, Holder: Polypropylene
- Country of Origin: Japan
- Refill: R-4C5NP Black (0.02 inches (0.5 mm))

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | オート |
| Brand | OHTO |
| Item Weight | 0.141 ounces |
| Product Dimensions | 3.58 x 0.02 x 0.02 inches |
| Item model number | 4.97152E+12 |
| Is Discontinued By Manufacturer | No |
| Color | Pink |
| Closure | Knock, Button |
| Grip Type | Standard |
| Material Type | Aluminum Brass Polypropylene |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Ultra Fine |
| Line Size | 0.25 |
| Ink Color | Black |
| Manufacturer Part Number | NBP-505MN-PK |

## Product Details

- **Brand:** OHTO
- **Writing Instrument Form:** Ballpoint Pen
- **Color:** Pink
- **Ink Color:** Black
- **Age Range (Description):** Adult

## Images

![Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink - Image 1](https://m.media-amazon.com/images/I/51JtY7N4Z-L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What is the length of this pen?**
A: About 3 - 9/16"

**Q: Which refill do I order from Amazon for this pen?**
A: It’s labeled “OHTO R-4C5NP 8E”

**Q: so, can i buy refills?**
A: Yes part number: Ohto R-4C5NP it’s cheaper on another site too FYI for $2 instead of $10 on amazon. Jetpens

**Q: whats the plastic holder for? I want this for my small journal that has a loop for a pen, would this work?**
A: OK, what they're calling a "holder" is actually a piece of plastic about the size of a credit card with a sleeve along one side in which the pen fits. I guess you put the card part between pages of a book to hold the pen there? I don't know, it doesn't seem very useful to me. As for the loop on your journal: How small are we talkin'? Because this pen is tiny. TI-NY. It is the approximate length (maybe 3") and diameter of a wooden cocktail pick. I'm not kidding. It's very small and difficult to write with - and I have small hands!  As such, I can't imagine it holds enough ink to write very much. When I bought it, I was looking for something with a super-fine point that was not a gel pen, but this is actually just a super-tiny pen in all respects but was not enough of an expenditure to return it.

## Frequently Bought Together

- Auto NBP-505MN-PK Ballpoint Pen, Oil-based, Pink
- OHTO Extremely Thin Mechanical Pencil Minimo Sharp, 0.5mm, Pink Body (SP-505MN-Pink)
- OHTO Extremely Thin Mechanical Pencil Minimo Sharp, 0.5mm, Black Body (SP-505MN-Black)

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**Shop now:** [https://www.desertcart.fi/products/41513949-auto-nbp-505mn-pk-ballpoint-pen-oil-based-pink](https://www.desertcart.fi/products/41513949-auto-nbp-505mn-pk-ballpoint-pen-oil-based-pink)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-01*