---
product_id: 365775567
title: "Pilot 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (BKAB-45EF-CSL)"
brand: "pilot"
price: "HK$115"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/365775567-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black
store_origin: HK
region: Hong Kong
---

# Smooth Acroball ink flow 0.5mm extra fine precision 4 vibrant ink colors Pilot 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (BKAB-45EF-CSL)

**Brand:** pilot
**Price:** HK$115
**Availability:** ✅ In Stock

## Summary

> 🖋️ Master your notes in four bold colors—because your ideas deserve to stand out.

## Quick Answers

- **What is this?** Pilot 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (BKAB-45EF-CSL) by pilot
- **How much does it cost?** HK$115 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/365775567-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black)

## 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

- • **Quad-Color Powerhouse:** Switch effortlessly between black, red, blue, and green for dynamic note-taking and standout presentations.
- • **Ergonomic Contoured Grip:** Designed for comfort during long meetings or brainstorming sessions, reducing hand fatigue.
- • **Effortless Smooth Writing:** Advanced Acroball ink technology ensures a silky glide with every stroke—no skips, no smudges.
- • **Precision at Your Fingertips:** Extra fine 0.5mm tip delivers crisp, clean lines perfect for detailed work and professional documents.
- • **Trusted Japanese Craftsmanship:** Pilot’s renowned quality and reliability, made in Japan, for a pen that performs as hard as you do.

## Overview

The Pilot 4 Colors Ballpoint Pen (BKAB-45EF-CSL) features four vibrant ink colors (black, red, blue, green) with an extra fine 0.5mm tip and smooth Acroball ink technology. Its contoured grip and twist closure combine comfort and convenience, making it an essential tool for professionals seeking precision and versatility in one sleek pen, crafted in Japan.

## Description



## Features

- 4 colors Ballpoint pen: black, red, blue, green
- Acro ink adopted
- Ballpoint size: 0.5mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Pilot |
| Brand | Pilot |
| Model Number | BKAB-45EF-CSL |
| Colour | black |
| Closure | Twist |
| Grip Type | Contoured |
| Material | Plastic |
| Number of Items | 1 |
| Size | 1 count (Pack of 1) |
| Point Type | Extra Fine |
| Line Size | 0.5mm |
| Ink Colour | Black, Red, Blue & Green |
| Manufacturer Part Number | BKAB-45EF-CSL |
| Manufacturer | Pilot |
| Country of Origin | Japan |

## Product Details

- **Brand:** Pilot
- **Writing instrument form:** Ballpoint Pen
- **Colour:** black
- **Ink Colour:** Black, Red, Blue & Green
- **Age Range (Description):** Adult

## Images

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

## 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

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**Shop now:** [https://www.desertcart.hk/products/365775567-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black](https://www.desertcart.hk/products/365775567-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-23*