--- product_id: 424363423 title: "EnerGel RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77BP2A)" brand: "pentel" price: "฿2480" currency: THB in_stock: true reviews_count: 6 category: "Pentel" url: https://www.desertcart.co.th/products/424363423-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium-line store_origin: TH region: Thailand --- # ultra-fast drying ink sleek metal-accented barrel 0.7mm precision needle tip EnerGel RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77BP2A) **Brand:** pentel **Price:** ฿2480 **Availability:** ✅ In Stock ## Summary > 🖋️ Write sharp, write smart — the pen that means business. ## Quick Answers - **What is this?** EnerGel RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77BP2A) by pentel - **How much does it cost?** ฿2480 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/424363423-energel-rtx-retractable-liquid-gel-pen-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 - • **Sustainably Smart:** Refillable ink system reduces waste while keeping your pen ready for endless ideas. - • **Ergonomic Comfort Grip:** Latex-free contoured grip ensures fatigue-free writing during long meetings or brainstorming sessions. - • **Smudge-Free Confidence:** Write fast and clean—liquid gel ink dries instantly, perfect for lefties and busy pros. - • **Smooth Precision Writing:** Experience flawless medium lines with the 0.7mm needle tip for professional-grade clarity. - • **Stylish & Durable Design:** Metal accents and retractable mechanism combine elegance with everyday practicality. ## Overview The Pentel EnerGel RTX Retractable Liquid Gel Pen (0.7mm) delivers a smooth, smudge-resistant writing experience with fast-drying hybrid ink. Featuring a precision needle tip and a sleek metal-accented barrel, it combines professional style with ergonomic comfort. Ideal for left- and right-handed users, this refillable pen is designed for high performance and lasting reliability. ## Description Great prices on your favourite Office brands plus free delivery and returns on eligible orders. Review: good - good Review: These are the best pens I’ve ever used and write so smooth and nice. They smear just a bit but if you wait a couple of seconds it is dry. I got blue because that is my favorite in writing utensils. 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 - Maximum comfort and control with the latex-free grip - Get more precise lines using the durable needle tip - 0.5mm needle tip writes fine lines; 0.7mm needle tip writes medium lines - Limited Lifetime Warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001IZF3MG | | Age Range Description | Adult | | Best Sellers Rank | 149,437 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 2,175 in Gel Ink Rollerball Pens 2,382 in Retractable Ballpoint Pens | | Body Shape | Round | | Brand Name | Pentel | | Closure Type | Retractable | | Colour | Black | | Customer Reviews | 4.8 4.8 out of 5 stars (2,506) | | Drill Point | Medium | | Global Trade Identification Number | 00072512203361 | | Grip Type | Contoured | | Hardness | HB | | Included Components | 2 pens | | Ink Base | Hybrid | | Ink Colour | Black | | Is the Product Left or Right Handed? | Left | | Item Dimensions | 13 x 187 x 60 millimetres | | Item Type Name | Medium | | Item Weight | 0.01 Ounces | | Line Size | 0.7mm | | Manufacturer | Pentel | | Material Type | Metal | | Model Name | EnerGel RTX | | Model Number | BLN77BP2A | | Pattern | 0.7mm Needle | | Recommended Uses For Product | Writing | | Special Features | Refillable, Retractable | | Style | 0.7mm Needle | | Theme | Stationery | | UPC | 072512203361 | | Unit Count | 2.0 count | | Water Resistance Level | Not Water Resistant | | Writing Instrument Form | Mechanical Graphite Pencil | ## Product Details - **Age range (description):** Adult - **Brand:** Pentel - **Colour:** Black - **Ink colour:** Black - **Material:** Metal - **Model name:** EnerGel RTX - **Point type:** Medium - **Special feature:** Refillable, Retractable - **Unit count:** 2.0 count - **Writing instrument form:** Mechanical Graphite Pencil ## Images ![EnerGel RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77BP2A) - Image 1](https://m.media-amazon.com/images/I/51hHJW9NlNL.jpg) ## Available Options This product comes in different **Color, Size, Style** options. ## Questions & Answers **Q: Will the problem of the cracked barrels that has been going on for over 3 years ever be addressed? I see A LOT of people are having the same problem.** A: I've had the exact same issue. Pen had a crack just above the grip; the pen doesn't stay together. Have to keep finding the pieces after it goes flying everywhere. I've bought refills already but I won't be buying anymore after I'm done with the refills. **Q: Are these the cheaper ones made in Mexico or the high quality ones that are made in Japan?** A: The ones I received (May 2020) were made in Mexico. Definitely cheaply made - even the box was falling apart when I received them. One barrel was already cracked. We could attribute that to bad packaging, but my "old favorite", which was made in Japan, would NOT have cracked in shipping. I also noticed right away that the barrel color was different. I've used the ones made in Japan for 20+ years and they were - emphasis on were - my favorite pen. **Q: The title/description says .5 mm needle tip, but the picture shows the larger medium tip. Which is correct?** A: There are 3 options of tip size on the one page- .5mm .7mm and 1mm. Not all sizes are available in all color options and not all color and size combinations are available in the multiple pack quantity options. Whichever size you choose in whichever color opted for will arrive in the pack quantity selected despite what the generic picture depicts as it is only 1 of the many options offered. **Q: Is the ink waterproof? Can I use highlighters without smear?** A: The ink is waterproof and you can use a highlighter - just make sure the ink is dry before highlighting. ## Customer Reviews ### ⭐⭐⭐⭐⭐ good *by N***T on 12 June 2023* good ### ⭐⭐⭐⭐⭐ Review *by C***7 on 25 March 2026* These are the best pens I’ve ever used and write so smooth and nice. They smear just a bit but if you wait a couple of seconds it is dry. I got blue because that is my favorite in writing utensils. Highly recommend ### ⭐⭐⭐⭐⭐ Review *by J***F on 21 November 2015* Most of us are writing less and less as we use the lastest technology to communicate. Messages are now texted or email (typing). Letter writing is a lost art. We don't even sign checks any more as much of our transactions are electronic. When I went to a new doctor recently I was given a 5 page form to fill out. Then I realized I need to start writing again . This form was overwhelming for me to write paragraph after paragraph explaining my illness . SO NOW I AM RELEARNING HOW TO WRITE. IM GOING TO NEED A GOOD PEN , quality note paper and some stationary supplies.At the stationary department of a chain drug store I saw a dozen different pens to choose . I made up my mind that I would purchase a pen that was less then $3 ,used refills and was substantial in feel and ability to take a little punishment. I selected the zebre g301. Metal barrel sleek and a good price. It is a fine writing instrument but found I was using up the ink supply after a few days of constant writing. I decided to try other pens hoping to find one that wrote as smooth as the zebra. And then I found the needle pt. Pentel energel. It was equal to the smooth writing of the zebra and better than the 3 other popular brands I had tried. What sold me on this pen as being superior was the ink supply lasted and lasted without any need to use a refill. Wow, a very smooth writing delivery ,even more substantial in size (easier to grip) and an ink supply that lasts without having to replace the ink cartridge. I might add that the cost is very reasonable which was one of my early criteria for choosing a pen. One last thing. When I went on to this shopping site I read only positive remarks about this pen. I listened to others and they were right. This is an excellent pen. 4.8/5.0 is a great track record. ## Frequently Bought Together - Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77BP2A) - Pentel EnerGel Pearl RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77WBP2A) - Pentel EnerGel Deluxe RTX Retractable Liquid Gel Pen, 0.7mm, Metal Tip, Blue Ink, 2 Pack (BL77BP2C) --- ## 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.co.th/products/424363423-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium-line](https://www.desertcart.co.th/products/424363423-energel-rtx-retractable-liquid-gel-pen-0-7mm-medium-line) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-29*