---
product_id: 50229895
title: "Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache"
brand: "looneng"
price: "₹ 1431"
currency: INR
in_stock: true
reviews_count: 13
category: "Looneng"
url: https://www.desertcart.in/products/50229895-ruling-pen-for-masking-fluid-perfect-fine-line-drawing-technical
store_origin: IN
region: India
---

# Durable stainless steel build Fine 0.5mm line capability Adjustable line width precision Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache

**Brand:** looneng
**Price:** ₹ 1431
**Availability:** ✅ In Stock

## Summary

> 🎨 Master every line, own every detail.

## Quick Answers

- **What is this?** Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache by looneng
- **How much does it cost?** ₹ 1431 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/50229895-ruling-pen-for-masking-fluid-perfect-fine-line-drawing-technical)

## Best For

- looneng enthusiasts

## Why This Product

- Trusted looneng brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last & Perform:** Crafted from rust-resistant stainless steel with a comfortable grip, designed for heavy use without fatigue.
- • **Effortless Masking Mastery:** Cut your masking time by 75% with smooth, even application that dries quickly and removes cleanly.
- • **Pinpoint Precision Control:** Easily dial in your perfect line thickness with the screw adjuster for flawless fine lines or bold strokes.
- • **Multi-Disciplinary Essential:** Ideal for calligraphy, cartography, technical drawing, and fine art—join the pros who trust LOONENG.
- • **Versatile Fluid Compatibility:** Works seamlessly with inks, masking fluids, gouache, and Indian ink for all your artistic and technical needs.

## Overview

The LOONENG Ruling Pen is a precision drawing tool crafted from durable stainless steel, featuring an adjustable screw for line widths as fine as 0.5mm. Perfect for professional artists and technical illustrators, it excels in applying inks, masking fluids, and paints with smooth, consistent strokes. Its ergonomic design and water-resistant properties make it a must-have for calligraphy, cartography, and fine line art, dramatically reducing masking time and enhancing creative control.

## Description

desertcart.com : LOONENG Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache : Arts, Crafts & Sewing

Review: It works better than anything I've used to apply resist for watercolor! - What I love: 1. It goes on smoothly 2. It adjusts between very fine lines for hair to thicker lines. 3. It cleans up completely and saves fine brushes. 4. The reservoir makes it possible to draw several fine lines before needing to dip again. This makes it quick so you can put the cap on in less time, therefore preventing the resist drying out. 5. I have only used this with Pebeo resist. I can't say it works as well using other products, because I haven't tied it with any other brands of resist. I am one happy girl! This reduced tons of frustration!
Review: Masking made easy. - This is a fantastic tool. I’ve been painting on masking fluid with a rubber brush and it takes awhile to apply and it doesn’t look even-ish. This tool is a game changer; the lines are even and quickly applied. Cut my masking time by 75%. Highly recommended, especially if you’re apprehensive about using masking fluid. Dries quickly, stays in place, easily removed and you can adjust the thickness of the line.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075B44QJ7 |
| Additional Features | Adjustable Line Width |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #7,970 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #114 in Drawing Pens |
| Body Shape | Round |
| Brand | LOONENG |
| Brand Name | LOONENG |
| Closure Type | screw |
| Color | Green |
| Customer Reviews | 4.5 out of 5 stars 2,248 Reviews |
| Drill Point | Fine |
| Grip Type | Soft |
| Hand Orientation | Ambidextrous |
| Ink Base | Water |
| Ink Color | Black |
| Item Dimensions | 4.92 x 0.2 x 0.2 inches |
| Item Weight | 15 g |
| Line Size | 0.5 millimeters |
| Manufacturer | LOONENG |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Name | DA17A012 |
| Model Number | DA17A012 |
| Pattern | Solid |
| Recommended Uses For Product | Drawing |
| Style | Traditional |
| Theme | Artistic Drawing Instruments |
| UPC | 743270886737 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Technical Pen |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** LOONENG
- **Color:** Green
- **Ink Color:** Black
- **Writing Instrument Form:** Technical Pen

## Images

![Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache - Image 1](https://m.media-amazon.com/images/I/51CZlwtZP4L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works better than anything I've used to apply resist for watercolor!
*by K***S on December 16, 2024*

What I love: 1. It goes on smoothly 2. It adjusts between very fine lines for hair to thicker lines. 3. It cleans up completely and saves fine brushes. 4. The reservoir makes it possible to draw several fine lines before needing to dip again. This makes it quick so you can put the cap on in less time, therefore preventing the resist drying out. 5. I have only used this with Pebeo resist. I can't say it works as well using other products, because I haven't tied it with any other brands of resist. I am one happy girl! This reduced tons of frustration!

### ⭐⭐⭐⭐⭐ Masking made easy.
*by J***C on August 2, 2026*

This is a fantastic tool. I’ve been painting on masking fluid with a rubber brush and it takes awhile to apply and it doesn’t look even-ish. This tool is a game changer; the lines are even and quickly applied. Cut my masking time by 75%. Highly recommended, especially if you’re apprehensive about using masking fluid. Dries quickly, stays in place, easily removed and you can adjust the thickness of the line.

### ⭐⭐⭐⭐⭐ Works just as I hoped
*by K***T on April 19, 2023*

I bought this product for creating fine lines with masking fluid. It works really well, just as I hoped - when fully closed it makes very fine lines, when fully open it makes thicker lines. Both are consistent and smooth. It was easy to use and clean. Just dip it in a tiny container filled with masking fluid or the bottle if the opening is wide enough and go - I didn't even have to wipe off the excess from the outside. The only thing that's a little tricky is that the opening in the tip has to be parallel to the line, so turning corners/making sharp turns accurately can be difficult, but that's just how ruling pens work - I just need to practice.

## Frequently Bought Together

- LOONENG Ruling Pen for Masking Fluid, Perfect Fine Line Drawing, Technical Cartography and Calligraphy, Suitable Use with Drawing Ink, Indian Ink Gouache
- Pebeo Easy Peel Liquid Latex Masking Fluid - Drawing Gum - Dries Quickly - For Ink - Watercolor - Gouache Painting & Illustration - Fine Arts & Crafts Supplies - 45ml Bottle
- Creative Mark Masking Fluid Paint Brushes (Set of 10) - Watercolor Brushes Contains Synthetic Hair w/Short Wood Handles

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-08-24*