---
product_id: 39924617
title: "4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (Bkab-45EF-CSL)"
brand: "pilot"
price: "143 kr"
currency: NOK
in_stock: true
url: https://www.desertcart.no/products/39924617-4-colors-ballpoint-pen-acroball-4-extra-fine-black-red
store_origin: NO
region: Norway
---

# 0.5mm extra fine tip 4 vibrant ink colors durable 100K clip life 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (Bkab-45EF-CSL)

**Brand:** pilot
**Price:** 143 kr
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Boldly, Switch Instantly, Impress Always

## Quick Answers

- **What is this?** 4 Colors Ballpoint Pen, Acroball 4 Extra Fine, Black, Red, Blue & Green (Bkab-45EF-CSL) by pilot
- **How much does it cost?** 143 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/39924617-4-colors-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

- • **Grip That Grips Back:** Unique tire-pattern rubber grip prevents slips during long sessions
- • **Color-Coded Precision:** Four vivid ink colors (Black, Red, Blue, Green) for dynamic note-taking
- • **Smooth Glide, Zero Skip:** Acro ink with 1/5 viscosity for effortless writing flow
- • **Water-Resistant Ink Power:** Pigmented, water-resistant oil-based ink keeps your work flawless
- • **Built to Last, Clip After Clip:** Soft coil spring clip endures 100,000 uses without fail

## Overview

The Pilot 4 Colors Ballpoint Pen (Acroball 4 Extra Fine) combines four vibrant ink options with ultra-smooth, low-viscosity Acro ink technology and a precision 0.5mm tip. Designed for professionals who demand durability and style, it features a non-slip tire-pattern grip and a robust clip tested for 100,000 uses. Water-resistant and refillable, this pen is your all-in-one tool for flawless, colorful writing that keeps pace with your busy, creative lifestyle.

## Description

This pen is a four-color Black, Red, Blue and Green ballpoint pen that uses the Acro ink developed by the Pilot. The oil-based ink has 1/5 of the viscosity of conventional oil-based inks. The unique blend of ink and lubricants allows the ball at the tip of the pen to rotate smoothly by reducing friction. This creates an enjoyable, non-skip writing experience. The ink is satisfyingly pigmented and is also water-resistant. The pen has a unique rubber grip developed by Pilot that sports a tire pattern, which prevents your hand From slipping. The clip on the pen uses a coil spring with a "soft clip" Mechanism that can be clipped 100, 000 times without breaking, according to Pilot testing. Not only is it durable, The clip is extremely easy to open and use.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Additional Features | Ballpoint |
| Age Range Description | Kid, Teen, Adult |
| Asin | B00L7MTYU2 |
| Best Sellers Rank | #42,791 in Office Products (See Top 100 in Office Products) #965 in Ballpoint Pens |
| Body Shape | Round |
| Brand Name | PILOT |
| Closure Type | Twist |
| Color | Soft Blue |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,393) 4.7 out of 5 stars |
| 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 | Black, Red, Blue & Green |
| Item Dimensions | 0.54 x 5.67 x 0.54 inches |
| Item Weight | 9.07 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 | ballpoint |

## Product Details

- **Age Range (Description):** Kid, Teen, Adult
- **Brand:** PILOT
- **Color:** Soft Blue
- **Ink Color:** Black, Red, Blue & Green
- **Writing Instrument Form:** Ballpoint Pen

## Images

![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)

## Available Options

This product comes in different **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

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**Shop now:** [https://www.desertcart.no/products/39924617-4-colors-ballpoint-pen-acroball-4-extra-fine-black-red](https://www.desertcart.no/products/39924617-4-colors-ballpoint-pen-acroball-4-extra-fine-black-red)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-17*