How is this LOONENG Ruling Pen authentic vs the version sold in Indian stores?

This LOONENG Ruling Pen is sourced directly from authorized US retailers, factory-sealed, and imported per-order. It offers the same quality and precision as the SKU US buyers receive. All customs duties and GST are included in the displayed price, and orders arrive within 17-19 days via ExpressBox tracked shipping.

Will the ruling pen I receive match what is shown on the US retailer's page?

Yes, orders are placed against the listed US retailer page at the time of purchase. Batch codes and packaging match what the US retailer dispatches. Photographs of every order are taken before international handover to ensure accuracy.

What is the best way to use a ruling pen for masking fluid?

Adjust the ruling pen to your desired fine line width. Dip the nib into masking fluid, ensuring not to overfill. Draw your lines onto the paper. Allow the masking fluid to dry completely before applying paint or ink over it. Once your artwork is dry, gently remove the masking fluid to reveal the unpainted areas.

Can I use this ruling pen for calligraphy or technical drawings?

Yes, the LOONENG Ruling Pen is designed for creating accurate fine lines essential for technical drawings, cartography, and calligraphy. Its adjustable line width allows for precise thickness control, making it suitable for detailed lettering and drafting work.

What types of ink or paint can I use with this ruling pen?

This ruling pen is suitable for various fluid mediums including drawing ink, Indian ink, gouache, watercolors, and masking fluids. Ensure the fluid has a viscosity that allows it to flow correctly between the nibs for consistent line application.

How do I clean the ruling pen after use?

After each use, carefully rinse the ruling pen nib with water or the appropriate solvent for the medium used. Ensure all fluid residue is removed to prevent clogging. Gently dry the nib and store it properly to maintain its precision and longevity.

Is this ruling pen suitable for beginners in art?

Yes, while it requires a bit of practice to master line width adjustment, the LOONENG Ruling Pen is an excellent tool for beginners looking to achieve precise lines. Its durable construction and clear instructions make it a valuable addition to any budding artist's toolkit.

LOONENG Ruling Pen for Masking Fluid, Fine Line Drawing, 0.1mm

Name: LOONENG Ruling Pen for Masking Fluid, Cross Hinged Fine Line Drawing Tool 0.1mm | Precision Artist Pen
Brand: LOONENG
SKU: cjb4174
Price: 1250.00 INR
Availability: InStock

About this item

LOONENG Ruling Pen for Masking Fluid is an essential tool for artists seeking precision in their work. This pen allows for exact line width adjustment, making it perfect for detailed drawings, technical illustrations, cartography, and calligraphy. Imported directly from authorized US retailers, it offers the quality and consistency artists expect, unlike local alternatives that may vary in precision.

The pen's design utilizes a screw adjuster to control the ink or masking fluid flow, enabling the creation of consistently fine lines. It is crafted from durable stainless steel, providing flexibility and accuracy for intricate strokes. This tool is suitable for use with drawing inks, Indian inks, gouache, watercolors, and masking fluids, offering versatility for various artistic techniques.

For artists in India, this ruling pen provides a reliable way to achieve professional-grade results. All customs duties and GST are included in the displayed price, and orders are shipped via ExpressBox for tracked delivery. Experience the difference in precision and durability for your next art project.

Key Features

【ART RULING PEN DRAWING PAINTING TOOL】Ruling pens are traditionally designed instruments that lay down lines in ink, paint, or any fluid medium with the viscosity to flow. Excellent for creating precise lines and drawing with ink, drawing and masking fluids, or even thin paints.
【SELECT THE WIDTH WITH THE SCREW ADJUSTER】The two parts of the tip hold ink or with other drawing fluids between them by capillary action. By adjusting the screw on the side, you can carefully and very accurately adjust the width of the line you're creating. It is used to draw lines of precise thickness with paint or ink.
【INSTRUCTIONS FOR USE OF RULING PEN】 Adjust to your chosen line width, dip the ruling pen in ink or masking fluid and draw onto the paper. It is possible to create very fine lines. If you use masking fluid, let it dry and paint your picture. Once your painting is dry, remove the masking fluid to reveal the unpainted areas.
【USED TO CREATE ACCURATE FINE LINES】Ruling pen is designed for fine line drawing, cartography, calligraphy, and technical drawings. It can also make fine lines and borders in Indian ink, gouache, drawing ink, watercolors, and masking fluids. In addition, it is used to draw lines of precise thickness with paint or ink.
【DURABLE STAINLESS STEEL CONSTRUCTION】The ruling pens are crafted in stainless steel with elastic properties, excellent strength, and durability. They do not rust, are easy to clean and provide lightness, flexibility, and accuracy in strokes. In addition, thick plastic handles and durable stainless steel nibs can withstand heavy use.

Why choose this product

Precision Engineering for Artists

The LOONENG Ruling Pen is engineered for artists who demand absolute precision. Its adjustable line width, controlled by a fine-tuning screw, allows for hairline accuracy essential in technical drawing, cartography, and detailed ink work. Unlike generic pens, this tool is specifically designed to handle fluid mediums like ink and masking fluid consistently. The durable stainless steel construction ensures flexibility and longevity, resisting rust and maintaining its performance over time. This imported tool brings a level of craftsmanship often missing in local art supplies, ensuring your artistic vision is realized with clarity and detail.

Ideal for Detailed Art & Masking

This ruling pen is perfect for artists working with masking fluid to preserve white spaces in watercolor or gouache paintings. It creates clean, precise edges that are difficult to achieve with brushes or standard pens. It's also excellent for technical drawings, calligraphy, and creating borders or fine lines in mixed-media art. If you require absolute control over line thickness and fluid application for intricate designs or detailed illustrations, this pen is an excellent choice. Those seeking a simple, disposable pen for broad strokes or casual doodling may find its precision overkill.

How to use

Carefully turn the screw on the side of the ruling pen to open or close the nibs, setting your desired line thickness. Test on scrap paper to confirm the width. — Adjust Line Width
Dip the tip of the ruling pen into your chosen fluid (ink, gouache, or masking fluid). Avoid overfilling; a small amount is sufficient for drawing. — Load with Fluid
Apply the pen to your paper, drawing smooth, consistent lines. For masking fluid, let it dry completely before painting over the masked areas. — Draw Your Lines
Immediately after use, rinse the nib thoroughly with water or the appropriate solvent. Dry the pen and store it carefully to maintain its precision. — Clean and Store

Example scenarios

Typical situations where LOONENG Ruling Pen for Masking Fluid helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

An art student in Delhi needs to create precise technical drawings for a college project.

How this product helps

The LOONENG Ruling Pen allows for exact line width adjustment, ensuring clean, consistent lines required for technical accuracy. It handles drawing ink and masking fluid effectively, enabling detailed illustrations that meet academic standards.

Scenario 2

Illustrative example

Where it helps

A watercolor artist in Kerala wants to add fine borders and details to a painting using masking fluid.

How this product helps

This ruling pen applies masking fluid precisely, creating sharp edges that preserve white spaces. Its stainless steel construction ensures flexibility and accuracy for intricate designs, allowing for detailed work that enhances the final artwork.

Material, size & usage

Material & size

Ink Color	Black (compatible with)
Nib Pliability	Rigid

How to use

Recommended Uses	Drawing, Cartography, Calligraphy, Technical Drawings
Suitable Fluids	Drawing Ink, Indian Ink, Gouache, Watercolors, Masking Fluids
Usage Instructions	Adjust line width, dip in fluid, draw. For masking fluid: let dry, paint, then remove masking fluid.
Unit Count	1 Count (Pack of 1)
Cost per use	15g pen at 1g/use = 15 uses: ₹83.33 per use
Shelf life after opening	N/A (tool)
Contraindications	Not suitable for thick paints or fluids that clog easily. Requires careful handling to avoid damage.
Allergens / common irritants	Stainless steel (rarely causes reactions)

How we compare

Feature	LOONENG Ruling Pen	Others
Line Precision & Control	Adjustable line width for hairline to precise thickness; consistent fluid flow.	Varies by brand; many local pens offer fixed line widths or less precise adjustment, impacting fine detail work.
Material & Durability	Durable, rust-resistant stainless steel with flexible nibs for accuracy and longevity.	Often plastic or lower-grade metal; may rust or bend, affecting precision and lifespan.
Fluid Compatibility	Works with drawing ink, Indian ink, gouache, watercolors, and masking fluids.	May be limited to specific ink types; some local pens clog easily with thicker fluids or masking agents.
Cost per Use	15g pen at 1g/use = 15 uses: ₹83.33 per use	Local fine-line pens may range from ₹100-300, but precision and durability can be lower, requiring more frequent replacement.
Authenticity & Sourcing

SKU	cjb4174
GTIN	0743270886737
Brand	LOONENG
Model Name	RP23A001
Part Number	RP23A001
Style	Cross Hinged
Material	Stainless Steel
Color	Green
Point Type	Fine
Line Size	0.1mm
Unit Count	1 Count (Pack of 1)
Item Package Weight	0.009 kilograms
Item Dimensions	15.75 cm x 0.71 cm x 3.71 cm (Length x Width x Height)
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers

Attributes	Current LOONENG Ruling Pen for Masking Fluid, Fine Line Drawing, Technical Cartography & Calligraphy, 0.5mm (0.02 inch)Buy Now	Speedball C-Series Lettering Pen Set with 6 Nibs & Penholder \| Calligraphy for BeginnersBuy Now	LOONENG Ruling Pen for Masking Fluid, Cross Hinged Fine Line Drawing Tool 0.1mm \| Precision Artist PenBuy Now
Spec
Price	1,250 2,345

LOONENG Ruling Pen for Masking Fluid, Cross Hinged Fine Line Drawing Tool 0.1mm | Precision Artist Pen

color: Green / Cross Hinged

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Material, size & usage

Material & size

How to use

How we compare

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