---
product_id: 10289790
title: "EnerGel RTX Liquid Gel Ink Pens, (0.7mm), Medium Line, Black Ink, Pack of 3 (BL77BP3A)"
brand: "pentel"
price: "¥2555"
currency: JPY
in_stock: true
reviews_count: 8
category: "Pentel"
url: https://www.desertcart.jp/products/10289790-energel-rtx-liquid-gel-ink-pens-0-7mm-medium-line
store_origin: JP
region: Japan
---

# Fast-drying liquid gel ink, no smears or smudges Sleek metal-accented barrel for a professional look 0.7mm stainless steel tip for precise medium lines EnerGel RTX Liquid Gel Ink Pens, (0.7mm), Medium Line, Black Ink, Pack of 3 (BL77BP3A)

**Brand:** pentel
**Price:** ¥2555
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Smooth, Look Sharp, Stay Ahead.

## Quick Answers

- **What is this?** EnerGel RTX Liquid Gel Ink Pens, (0.7mm), Medium Line, Black Ink, Pack of 3 (BL77BP3A) by pentel
- **How much does it cost?** ¥2555 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/10289790-energel-rtx-liquid-gel-ink-pens-0-7mm-medium-line)

## Best For

- pentel enthusiasts

## Why This Product

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

## Key Features

- • **Executive Style:** Metal accents and a sleek barrel design elevate your desk game and impress in every meeting.
- • **Effortless Precision:** 0.7mm tip delivers clean, consistent medium lines for flawless note-taking and document signing.
- • **Lifetime Reliability:** Backed by a Limited Lifetime Warranty, these pens are your long-term writing partner.
- • **Comfort Meets Control:** Latex-free cushioned grip reduces hand fatigue during marathon brainstorming sessions.
- • **Smudge-Free Confidence:** Fast-drying EnerGel ink ensures your work stays crisp—perfect for lefties and busy professionals alike.

## Overview

The Pentel EnerGel RTX Liquid Gel Ink Pen (0.7mm) combines cutting-edge liquid gel ink technology with a sleek metal-accented design, delivering fast-drying, smudge-free writing with professional style and all-day comfort. Ideal for left- and right-handed users, this refillable pen offers precision medium lines and is backed by a Limited Lifetime Warranty.

## Description

The EnerGel® RTX offers a luxury feel and a smooth, effortless writing experience. High performance ink technology combines the best qualities of liquid and gel ink. Fast-drying liquid gel ink is great for left handers - no smears, no smudges, no globs. The sleek and stylish barrel design features stainless steel accents for a professional look. The latex-free grip provides extended comfort and control when writing. It is available with a 0.7mm stainless steel tip writes medium lines, 1.0mm tip writes bold lines. Refillable with any size and/or color EnerGel refill. It is backed by a Limited Lifetime Warranty.

Review: Very professional, well made, and comfortable- easy to write - These pens are my go-to writing pens. I love how balanced they are holding, and the quality of the smooth writing. And the material and workmanship is above the rest and will keep them on hand. I never had any smear marks and the ink dries quickly. I use many colors and they come a variety of colors. They work well on my professional documents at work and I carry more then two with me at all times. They are perfect during daily use for many days and months- thank you!
Review: A Great Purple Pen - This is a great pen. The ink glides across the page and there is little to no smudging. The pen is a great fit in my hand and I don't get fatigued using it. The pen is easy to use, and purple is one of my favorite colors. I wish the price was a little lower, but it is still a good price for the amount of pens that you get.

## Features

- High performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience
- Liquid gel ink dries so fast even left handed writers love it - no smears, no smudges, no globs
- EnerGel ink writes more smoothly than the leading brand* (*Internally tested to be smoother writing than the leading gel pen on standard writing paper)
- Sleek & stylish barrel design with metal accents for a professional look
- Latex-free grip for writing comfort and control
- 0.7mm stainless steel tip writes medium lines; 1.0mm stainless steel tip writes bold lines
- Limited Lifetime Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001TDKOO4 |
| Additional Features | Refillable |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #694 in Office Products ( See Top 100 in Office Products ) #45 in Gel Ink Pens |
| Body Shape | Round |
| Brand | Pentel |
| Brand Name | Pentel |
| Closure Type | Retractable |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 11,844 Reviews |
| Drill Point | Medium |
| Global Trade Identification Number | 00072512224717 |
| Grip Type | Cushioned" or "Comfort |
| Hand Orientation | Ambidextrous |
| Hardness | HB |
| Included Components | No |
| Ink Base | Oil |
| Ink Color | Black |
| Item Dimensions | 0.75 x 7.25 x 2.81 inches |
| Item Weight | 0.1 Pounds |
| Line Size | 0.7mm |
| Manufacturer | Pentel |
| Material | Metal |
| Material Type | Metal |
| Model Name | Pentel EnerGel Deluxe RTX Gel Ink Pens, 0.7 Millimeter Metal Tip, Black Ink, 3 Packs (BL77BP3A) |
| Model Number | BL77BP3A |
| Recommended Uses For Product | Office |
| Style | 0.7mm |
| Theme | writing instrument |
| UPC | 072512224717 |
| Unit Count | 3.0 Count |
| Warranty Description | Limited Lifetime Warranty - USA Only |
| Water Resistance Level | Waterproof |
| Writing Instrument Form | Roller Ball Pen |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** Pentel
- **Color:** Black
- **Ink Color:** Black
- **Writing Instrument Form:** Roller Ball Pen

## Images

![EnerGel RTX Liquid Gel Ink Pens, (0.7mm), Medium Line, Black Ink, Pack of 3 (BL77BP3A) - Image 1](https://m.media-amazon.com/images/I/719eHrJULSL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very professional, well made, and comfortable- easy to write
*by D***B on July 11, 2025*

These pens are my go-to writing pens. I love how balanced they are holding, and the quality of the smooth writing. And the material and workmanship is above the rest and will keep them on hand. I never had any smear marks and the ink dries quickly. I use many colors and they come a variety of colors. They work well on my professional documents at work and I carry more then two with me at all times. They are perfect during daily use for many days and months- thank you!

### ⭐⭐⭐⭐⭐ A Great Purple Pen
*by J***O on January 26, 2026*

This is a great pen. The ink glides across the page and there is little to no smudging. The pen is a great fit in my hand and I don't get fatigued using it. The pen is easy to use, and purple is one of my favorite colors. I wish the price was a little lower, but it is still a good price for the amount of pens that you get.

### ⭐⭐⭐⭐⭐ Love
*by K***R on October 16, 2025*

I love these pens & I love the fun purple color! 0.7 is the perfect size/weight, smooth writing & as a lefty a good pen is always a bonus! Decently quick drying but might smudge a little if you’re not careful but it’s still worth it!!

## Frequently Bought Together

- Pentel EnerGel RTX Liquid Gel Ink Pens, (0.7mm), Medium Line, Black Ink, Pack of 3 (BL77BP3A)
- Pentel EnerGel Deluxe RTX Retractable Liquid Gel Pen, 0.7mm, Metal Tip, Blue Ink, 2 Pack (BL77BP2C)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-04*