---
product_id: 9691113
title: "Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Medium Line, Metal Tip, Black Ink, Box of 12 (BL77-A)"
brand: "pentel"
price: "AR$66614"
currency: ARS
in_stock: true
reviews_count: 13
category: "Pentel"
url: https://www.desertcart.com.ar/products/9691113-pentel-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium
store_origin: AR
region: Argentina
---

# Fast-drying liquid gel ink, no smears Sleek metal tip & barrel for professional style 0.7mm medium line for precise writing Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Medium Line, Metal Tip, Black Ink, Box of 12 (BL77-A)

**Brand:** pentel
**Price:** AR$66614
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Smooth, Work Sharp — Never Miss a Beat

## Quick Answers

- **What is this?** Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Medium Line, Metal Tip, Black Ink, Box of 12 (BL77-A) by pentel
- **How much does it cost?** AR$66614 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/9691113-pentel-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium)

## 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

- • **Sustainably Smart:** Refillable cartridges reduce waste while keeping your pen performing like new—because your tools should be as forward-thinking as you.
- • **Effortless Precision:** 0.7mm tip delivers clean, consistent lines for sharp note-taking and professional documents.
- • **Comfort Meets Control:** Latex-free grip offers all-day writing comfort without sacrificing control during long meetings or brainstorming sessions.
- • **Smudge-Free Confidence:** Fast-drying EnerGel ink ensures your work stays flawless—perfect for lefties and fast typists alike.
- • **Premium Professional Design:** Metal accents and retractable mechanism combine style with durability for the modern workspace.

## Overview

The Pentel EnerGel RTX Retractable Liquid Gel Pen (0.7mm) combines cutting-edge hybrid ink technology with a sleek metal design to deliver a smooth, smudge-free writing experience. Engineered for professionals who demand precision and comfort, its fast-drying ink and latex-free grip make it ideal for extended use. Sold in a convenient 12-pack with refillable cartridges, this pen is a top-rated choice for those who value reliability and style in their everyday writing instruments.

## Description

desertcart.com: Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Medium Line, Metal Tip, Black Ink, Box of 12 (BL77-A) : Office Products

Review: Perfect, just what I needed - I do a significant amount of calculations and note-taking at work, so having a dependable pen is a must. These pens have been excellent so far and have not disappointed. The ink flows incredibly smoothly, with no skipping, smearing, or interruptions while writing. The writing experience feels effortless and consistent, even during long periods of use. I personally prefer gel pens over ballpoint pens, and these deliver exactly the smooth, clean performance I look for. If you're someone who writes frequently and values reliability and comfort, these pens are definitely worth considering.
Review: fine point - These liquid gel pens are amazing! They write so smoothly, the ink flows perfectly, and they feel comfortable to hold. The colors are beautiful, and they make writing feel effortless. Great quality pens that I will definitely buy again. Highly recommend!

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001S2RDRM |
| Additional Features | Refillable |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #1,019 in Office Products ( See Top 100 in Office Products ) #51 in Gel Ink Pens |
| Body Shape | Round |
| Brand | Pentel |
| Brand Name | Pentel |
| Closure Type | Retractable |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 2,045 Reviews |
| Drill Point | Medium |
| Global Trade Identification Number | 00072512200551 |
| Grip Type | Comfort, Latex-free |
| Hand Orientation | Left |
| Hardness | HB |
| Included Components | Ink Cartridge |
| Ink Base | Hybrid |
| Ink Color | Black |
| Item Diameter | 0.7 millimeters |
| Item Dimensions | 1 x 3.13 x 5.88 inches |
| Item Type Name | Gel Pen |
| Item Weight | 4.8 ounces |
| Line Size | 0.7 |
| Manufacturer | Pentel |
| Material | Metal |
| Material Type | Metal |
| Model Name | Pentel EnerGel RTX Retractable Liquid Gel Pen, 0.7mm Medium Line, Metal Tip, Black Ink, 12 Pack (BL77-A) |
| Model Number | BL77-A |
| Pattern | 0.7mm |
| Recommended Uses For Product | Writing |
| Style | 12 Pack |
| Theme | Writing Instruments |
| UPC | 072512200551 |
| Unit Count | 12 Count |
| Warranty Description | Limited Lifetime Warranty - USA Only |
| Water Resistance Level | Not Water Resistant |
| Writing Instrument Form | Ballpoint Pen |
| Writing Technique | gel ink, rollerball |

## Product Details

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

## Images

![Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Medium Line, Metal Tip, Black Ink, Box of 12 (BL77-A) - Image 1](https://m.media-amazon.com/images/I/81m9yINOOBL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect, just what I needed
*by J***Y on March 7, 2026*

I do a significant amount of calculations and note-taking at work, so having a dependable pen is a must. These pens have been excellent so far and have not disappointed. The ink flows incredibly smoothly, with no skipping, smearing, or interruptions while writing. The writing experience feels effortless and consistent, even during long periods of use. I personally prefer gel pens over ballpoint pens, and these deliver exactly the smooth, clean performance I look for. If you're someone who writes frequently and values reliability and comfort, these pens are definitely worth considering.

### ⭐⭐⭐⭐⭐ fine point
*by M***A on August 1, 2026*

These liquid gel pens are amazing! They write so smoothly, the ink flows perfectly, and they feel comfortable to hold. The colors are beautiful, and they make writing feel effortless. Great quality pens that I will definitely buy again. Highly recommend!

### ⭐⭐⭐⭐⭐ Great for Lefties!
*by J***. on June 19, 2026*

I'm left-habded and I love these pens. They write smoothly and the ink dries quickly, so no smudging. They have a comfortable grip, and are lightweight.

## Frequently Bought Together

- Pentel EnerGel Retractable Liquid Gel Pens, Medium Point, 0.7 mm, Silver Barrel, 12 Black Ink pens, the Ultimate writing pens, the Best Writing Pens for office, school and journaling, Pack of 12
- Pentel EnerGel Deluxe RTX Retractable Liquid Gel Pen, Medium Line, Needle Tip, Blue Ink, Box of 12 (BLN77-C), 0.7mm needle
- Pentel EnerGel RTX RT Liquid Gel Pen, Med, Metal Tip, (0.7mm), Blue Ink, Box of 12 (BL77PC12C1)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.ar/products/9691113-pentel-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium](https://www.desertcart.com.ar/products/9691113-pentel-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-16*