I presume you are asking about the color of ink with which it writes. If you purchase a "Rolling Writer" pen which has a black case and top, it will write with black ink. If you purchase a pen which has a blue case and top, it will write with blue ink. If you purchase a pen which has a red case and top, it will write with red ink, etc. Bob

Are these non-smudge when using with a straight edge or protractor? I draw custom geometric designs for book covers and I'm tired of smudges.

It is like a rollerball gel ink so until it dries it would smudge

Has anyone found a solution to getting stuck ink to flow in these pens? Tapping them hard can work, but not always. Specifics appreciated. Thanks.

I always store mine "cap up" so the ink flows away from the tip. Never really had that problem.

Hi, this is for a box of 12 pens, correct? Thank you!

Dear Heidi, Yes, there are 12 Pens in each box.

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Pentel Rolling Writer Pen, 0.8 Millimeter Cushion Ball Tip, Blue Ink, Box of 12 (R100-C)

Product ID: 19505911

Details

Age Range (Description)
Adult
Brand
Pentel
Color
Blue
Ink Color
Blue
Writing Instrument Form
Roller Ball

🖊️0.8mm medium line precision

🛡️Limited lifetime warranty

🛣️Writes over 1 mile nonstop

R465

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Write your legacy with the original rollerball innovation.

ENDURANCE THAT KEEPS UP - Massive ink reservoir lets you write continuously for over a mile—no mid-meeting ink panic.
PRECISION MEETS COMFORT - 0.8mm tip delivers medium lines perfect for professional notes and creative flow.
TRUSTED LEGACY INNOVATION - Own the very first rollerball pen ever invented—where history meets your daily hustle.
CONFIDENCE IN EVERY STROKE - Backed by Pentel’s limited lifetime warranty, ensuring reliability that matches your ambition.
EFFORTLESS WRITING EXPERIENCE - Cushion ball tip adapts to light or heavy pressure for smooth, consistent lines every time.

The Pentel Rolling Writer Pen features a 0.8mm cushion ball tip that writes smooth medium lines with light or heavy pressure. Its large ink reservoir supports writing for over a mile, making it ideal for professionals who demand reliability and precision. This box of 12 blue ink pens is backed by a limited lifetime warranty, combining historic innovation with enduring performance.

Specifications

ASIN	B00006IEAE
Additional Features	No
Age Range Description	Adult
Best Sellers Rank	#23,112 in Office Products ( See Top 100 in Office Products ) #1,058 in Ballpoint Pens
Body Shape	Round
Brand Name	Pentel
Closure Type	Click-Off Cap
Color	Blue
Customer Reviews	4.5 4.5 out of 5 stars (1,283)
Drill Point	Medium
Global Trade Identification Number	00072512000571, 00072512000632, 00072512000694
Grip Type	default_no_selection_value
Hand Orientation	Ambidextrous
Hardness	default_no_selection_value
Included Components	Rollerball Pen (12)
Ink Base	Water
Ink Color	Blue
Item Diameter	0.8 millimeters
Item Dimensions	0.56 x 5.56 x 0.56 inches
Item Type Name	Fine
Item Weight	3.2 ounces
Line Size	0.8mm
Manufacturer	Pentel
Material Type	Plastic
Model Name	Pentel Rolling Writer Pen, 0.8 Millimeter Cushion Ball Tip, Blue Ink, Box of 12 (R100-C)
Model Number	R100-C
Recommended Uses For Product	Writing
Style	stick
UPC	809302087722 072512000694 638458798479 641438130992 999992886788 072512000632 638084773840 641438680015 804993567454 823019718328 800011347541 088037986429 523160230426 072512000571 801593304458 031112275536 640206491969
Unit Count	12 Count
Warranty Description	Limited Lifetime Warranty
Water Resistance Level	Not Water Resistant
Writing Instrument Form	Roller Ball Pen
Writing Technique	rollerball

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