---
product_id: 275827701
title: "Pilot 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (BKAB-45EF-CSL)"
brand: "pilot"
price: "HK$200"
currency: HKD
in_stock: true
category: "Pilot"
url: https://www.desertcart.hk/products/275827701-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black
store_origin: HK
region: Hong Kong
---

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

**Brand:** pilot
**Price:** HK$200
**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$200 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/275827701-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

- • **Precision Writing:** Extra fine 0.5mm tip delivers crisp, clean lines perfect for detailed work and professional documents.
- • **Water-Resistant Ink:** Your notes stay sharp and legible even if life gets a little messy—ideal for busy professionals.
- • **Quad-Color Versatility:** Switch effortlessly between black, red, blue, and green for dynamic note-taking and color-coded organization.
- • **Retractable Convenience:** No cap, no hassle—quickly retract your pen for on-the-go efficiency and pocket-friendly use.
- • **Smooth, Non-Skip Ink Flow:** Advanced oil-based ink ensures consistent, skip-free writing that keeps your ideas flowing.

## Overview

The Pilot Acroball 4 Extra Fine is a sleek, retractable ballpoint pen featuring four vibrant ink colors (black, red, blue, green) with a precise 0.5mm tip. Designed for adults and professionals, it offers smooth, water-resistant oil-based ink in a refillable, ambidextrous plastic body, making it a versatile and reliable writing instrument for everyday use.

## Description

Brand: Pilot Target gender: unisex Closure Type: Retractable

## Features

- 4 Colors Ballpoint Pen
- Acroball 4 extra fine
- BKAB-45EF-CSL

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00L7MTYU2 |
| Additional Features | Retractable |
| Age Range Description | Adult |
| Animal Theme | no animal theme |
| Body Shape | Round |
| Brand Name | Pilot |
| Closure Type | Retractable |
| Color | Black, Red, Blue and Green |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,342) |
| Drill Point | Extra Fine |
| Global Trade Identification Number | 04902505482380 |
| Grip Type | non-skip |
| Hand Orientation | Ambidextrous |
| Included Components | Pen only |
| Ink Base | Oil |
| Ink Color | Blue |
| Item Dimensions | 14 x 144 x 14 millimeters |
| Item Weight | 9 g |
| Line Size | 0.5mm |
| Manufacturer | Pilot |
| Material Type | Plastic |
| Model Name | BKAB 45EF CSL |
| Model Number | BKAB-45EF-CSL |
| Recommended Uses For Product | Writing |
| Style | Refillable |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Ballpoint Pen |
| Writing Technique | ball |

## Product Details

- **Age range (description):** Adult
- **Brand:** Pilot
- **Colour:** Black, Red, Blue and Green
- **Ink colour:** Blue
- **Writing instrument form:** Ballpoint Pen

## 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/275827701-pilot-4-colors-ballpoint-pen-acroball-4-extra-fine-black](https://www.desertcart.hk/products/275827701-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: 2026-09-27*