---
product_id: 749249461
title: "4 Color Ballpoint Pen, Acroball 4, Extra Fine, Black/Red/Blue/Green (BKAB-45EF-CSL)"
brand: "pilot"
price: "€ 5.11"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/749249461-4-color-ballpoint-pen-acroball-4-extra-fine-black-red
store_origin: CY
region: Cyprus
---

# smooth oil-based Acro ink 4 vibrant ink colors 0.5mm ultra-fine tip 4 Color Ballpoint Pen, Acroball 4, Extra Fine, Black/Red/Blue/Green (BKAB-45EF-CSL)

**Brand:** pilot
**Price:** € 5.11
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your notes with precision and color—because your ideas deserve the best!

## Quick Answers

- **What is this?** 4 Color Ballpoint Pen, Acroball 4, Extra Fine, Black/Red/Blue/Green (BKAB-45EF-CSL) by pilot
- **How much does it cost?** € 5.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/749249461-4-color-ballpoint-pen-acroball-4-extra-fine-black-red)

## Best For

- pilot enthusiasts

## Why This Product

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

## Key Features

- • **Color-Code Like a Pro:** Four rich ink colors (black, red, blue, green) let you organize, highlight, and prioritize effortlessly.
- • **Slide-Lever Convenience:** Quickly switch colors with a smooth slide mechanism—no interruptions to your workflow.
- • **Compact & Stylish Design:** Sleek, clear soft blue body fits perfectly in your hand and your professional image.
- • **Effortless Smooth Writing:** Innovative oil-based Acro ink glides seamlessly, reducing hand fatigue during long work sessions.
- • **Precision in Every Stroke:** Ultra-fine 0.5mm tip delivers crisp, clean lines for detailed note-taking and professional documents.

## Overview

The Pilot Acroball 4-color ballpoint pen combines ultra-fine 0.5mm tips with smooth, oil-based ink in black, red, blue, and green. Its compact, clear blue body and slide-lever mechanism make it a versatile, stylish tool for professionals who demand precision and efficiency in every stroke.

## Description

Pilot パイロット 4色ボールペン アクロボール4 極細 ブラック/レッド/ブルー/グリーン (BKAB-45EF-CSL)

## Features

- Touch it! Write and feel it! Smooth "Acroball" 4 color ballpoint pen
- [Size] (approx.) Maximum diameter 0.5 inches (13.8 mm) x total length 5.7 inches (144 mm)
- Ball diameter: 0.02 inches (0.5 mm) (ultra-fine). Body color: Clear soft blue
- Ink color: Black, red, blue, green. Type: Slide lever type
- [Ink] Oil-based dye ink (Aqro ink)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | PILOT |
| Model Number | BKAB-45EF-CSL |
| Color | 4 Colors (Black, Red, Blue, Green) |
| Material Type | Plastic |
| Number of Items | 1 |
| Size | 1 count (pack of 1) |
| Point Type | Extra Fine |
| Line Size | 0.5mm |
| Ink Color | Black, Red, Blue, Green |
| Included Components | ペンのみ。 |
| Product Dimensions | 1.37 x 14.4 x 1.37 cm; 9 g |
| Shredded Shape | Ballpoint Pen |

## Product Details

- **Brand:** PILOT
- **Writing Instrument Form:** Ballpoint Pen
- **Color:** 4 Colors (Black, Red, Blue, Green)
- **Ink Color:** Black, Red, Blue, Green
- **Age Range (Description):** Adult

## Images

![4 Color Ballpoint Pen, Acroball 4, Extra Fine, Black/Red/Blue/Green (BKAB-45EF-CSL) - Image 1](https://m.media-amazon.com/images/I/614BqoZUxBL.jpg)

## Available Options

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

## Questions & Answers

**Q: has anyone had trouble with the base of the pen not staying tight?? always wants to fall off...loved the pen otherwise but am hesitant to re- purchase**
A: Love the pen. No problems, just been using it too much, ran out of ink for black and blue. Anybody know what exactly is the refill needed?

**Q: Can you order refill inks?**
A: I was able to get blue and black.

**Q: Is this .38 or .5??**
A: .38. Loved it. But now it’s starting to make blobs.

**Q: Where can I find the correct ink refills for all 4 colors?**
A: Bvrf-8ef

## Frequently Bought Together

- Pilot 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (Bkab-45EF-CSL)
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**Shop now:** [https://www.desertcart.com.cy/products/749249461-4-color-ballpoint-pen-acroball-4-extra-fine-black-red](https://www.desertcart.com.cy/products/749249461-4-color-ballpoint-pen-acroball-4-extra-fine-black-red)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-26*