What is the difference between the "pearl" version and the regular version with the blue barrel?

Hello consumer! Both Energel RTX and Pearl pens are the same, in mold shape, mechanical function and ink type. The only difference is in the color of the barrels and comfort grips. Sincerely, Consumer Quality Assurance team Pentel of America, Ltd. 4000 E. Airport Dr., Suite C Ontario, CA 91761 (USA) 1-(855) 528-4101 warranty@pentel.com

Is the ink acid-free, archival safe?

Safety and archival are slightly different things. It is likely not archival ink as it is intended for everyday use and archival ink is actually a stain that will clog a tip relatively rapidly so it is not recommended for everyday use. Up to the 1980's archival ink was still used straight from the bottle and with a quill. Today, you can obtain archival ink from craft stores in a pen form but the tip may still require cleaning periodically to ensure even flow of the stain.

Do these bleed through paper?

No, these are high quality pens. I use them for underlining in my bible everyday & the pages are pretty thin. They don't bleed through.

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Pentel EnerGel Pearl RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77WBP2A)

Pentel EnerGel Pearl RTX Retractable Liquid Gel Pen, (0.7mm), Medium Line, Needle Tip, Black Ink, Pack of 2 (BLN77WBP2A)

Product ID: 63897147

Details

Age range (description)
Adult
Brand
Pentel
Colour
Black
Ink colour
Black
Item dimensions L x W x H
13 x 60 x 187
Material
Plastic

⚡Fast-drying hybrid liquid gel ink, no smears

💼Sleek metal-accented barrel for professional style

🖋️0.7mm needle tip for precise medium lines

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1109826₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖊️ Write Smooth, Look Sharp, Stay Ahead

EXECUTIVE STYLE - Polished metal accents and sleek barrel design elevate your desk aesthetic and professional presence.
EFFORTLESS PRECISION - Needle tip delivers clean, consistent 0.7mm lines for sharp, professional writing.
COMFORT MEETS CONTROL - Latex-free contoured grip reduces hand fatigue during long writing sessions.
SMUDGE FREE CONFIDENCE - Fast-drying EnerGel ink ensures no smears or globs—even lefties stay flawless.
REFILLABLE SUSTAINABLE - Compatible with all EnerGel refills, making it an eco-friendly, long-term writing partner.

The Pentel EnerGel Pearl RTX is a premium retractable gel pen featuring a 0.7mm needle tip for precise medium lines. Its hybrid liquid gel ink dries instantly to prevent smudging, ideal for both right- and left-handed users. Designed with a sleek barrel and metal accents, it combines professional style with a latex-free grip for extended comfort. Refillable and backed by a limited lifetime warranty, this pen is a must-have for professionals who demand smooth, reliable writing every day.

Specifications

ASIN	B01IIKUYNQ
Age Range Description	Adult
Best Sellers Rank	59,862 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 995 in Gel Ink Rollerball Pens
Body Shape	Cylindrical
Brand Name	Pentel
Closure Type	Retractable
Colour	Black
Customer Reviews	4.8 4.8 out of 5 stars (2,827)
Drill Point	Needle
Global Trade Identification Number	00072512257425
Grip Type	Contoured
Hardness	HB
Included Components	Pen (2)
Ink Base	Hybrid
Ink Colour	Black
Is the Product Left or Right Handed?	Left
Item Dimensions	13 x 60 x 187 millimetres
Item Weight	0.05 Pounds
Line Size	0.7mm
Manufacturer	Pentel
Material Type	Plastic
Model Name	EnerGel
Model Number	BLN77WBP2A
Recommended Uses For Product	Writing
Special Features	Retractable
Style	(BLN77WBP2A)
UPC	072512257425
Writing Instrument Form	Roller Ball Pen
Writing Technique	gel ink rollerball

Reviews

E**H

I love the pens, they write smoothly

26.04.2025

J**3

So smooth and comfortable. My favourite pens

19.02.2024

J**Y

Love these pens

17.03.2024

C**D

These gel ink pens from Pentel are the perfect writing instrument. They glide smoothly over the paper and the ink flows dependably every time. I’ve had the habit of taking copious notes since college and I keep a notebook in my bag for this. I love using these gel pens for this purpose. Thank you Pentel!

30.04.2026

K**R

Super nice pens. When you write with them it is extremely smooth and dries super fast. Good for the price too!!

10.03.2026

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