---
product_id: 644089446
title: "Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool"
brand: "sakerr"
price: "£0.05"
currency: GBP
in_stock: false
reviews_count: 2
url: https://www.desertcart.co.uk/products/644089446-sakerr-masking-fluid-pen-ruling-pen-adjustable-cross-hinge-fine
store_origin: GB
region: United Kingdom
---

# Precision cross-hinged mechanism Adjustable line width 0.3-2mm Durable stainless steel & plastic build Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool

**Brand:** sakerr
**Price:** £0.05
**Availability:** ❌ Out of Stock

## Summary

> 🖌️ Draw the line between ordinary and extraordinary!

## Quick Answers

- **What is this?** Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool by sakerr
- **How much does it cost?** £0.05 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/644089446-sakerr-masking-fluid-pen-ruling-pen-adjustable-cross-hinge-fine)

## Best For

- sakerr enthusiasts

## Why This Product

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

## Key Features

- • **Master Your Lines:** Adjust line thickness seamlessly from ultra-fine 0.3mm to bold 2mm+ with a simple screw twist.
- • **Ergonomic & Durable:** Lightweight yet sturdy stainless steel and plastic construction for comfortable, long-lasting use.
- • **Precision Engineering:** Cross-hinged design ensures razor-sharp, consistent strokes for technical drawing, calligraphy, and cartography.
- • **Artist-Approved Essential:** Whether pro or beginner, this sleek pen elevates your art toolkit and makes a thoughtful gift for creatives.
- • **Versatile Medium Compatibility:** Perfectly pairs with ink, gouache, masking fluid, and more—unlock limitless creative possibilities.

## Overview

The Sakerr Masking Fluid Pen is a precision adjustable ruling pen designed for fine line art, technical drawing, and calligraphy. Featuring a cross-hinged mechanism and screw adjustment, it offers line widths from 0.3mm to over 2mm. Crafted from durable stainless steel and plastic, it supports various inks and masking fluids, making it an essential tool for artists and designers seeking professional-grade control and versatility.

## Description

Product Features Masking fluid pen designed for fine line drawing, technical drawing, cartography and calligraphy. Ruling pen can be used with ink, gouache, drawing ink and art masking fluid to paint. The line width can be adjusted by adjusting the screw. Great for professional or beginner to use. Product Specifications Material: Metal and plastic Length: 12.5cm Package Included 1x masking fluid pen

Review: Easy to use
Review: Disappointing- on first use as soon as I loosened the wheel to widen the gage it fell apart and the rod dropped out never to be seen again on my studio floor. Badly made as it should have been adjustable and hold at firm width required.

## Features

- 🖌Masking Fluid Pen - Ruling pen is designed for fine line drawing, technical drawing, cartography and calligraphy. Precision cross-hinged art ruling pen suitable for masking fluid fine lines ink drawing tool. Ink, other drawing fluids or thin pigments are often used to outline lines and draw.
- 🖌Wide Applications - It can also be used for making fine lines and borders in Indian ink, gouache, drawing ink and art masking fluid. With this adjustable line width masking fluid pen, you can create more excellent works. Whether you're a professional artist or beginner, this pen is a must-have. Also can be a great gift for your friends.
- 🖌Adjustable - Ruling pen is designed with cross-hinged for variable line width. The line width can be adjusted by the screw adjustment. Whether it is a straight line, thickness, etc., can be achieved.
- 🖌Material - The art ruling pen is made of stainless steel and plastic material, comfortable to grip and use, compact and lightweight, solid and good durability. Can be used for a long time.
- 🖌Package Included - You will receive 1pc ruling pen. The length of masking fluid pen is 12.5cm/4.92 inch. Masking fluid pen perfect for artists, designers and anyone who loves to draw.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7MSWWHS |
| Best Sellers Rank | #133,472 in Office Products ( See Top 100 in Office Products ) #217 in Drawing Pens |
| Brand | Sakerr |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (21) |
| Date First Available | 10 July 2024 |
| Grip Type | soft |
| Ink Color | Black |
| Item Weight | 10 g |
| Line Size | Adjustable, within the range of 0.3mm to 2mm and above |
| Manufacturer | Heng Shui Fen Rui Shang Mao You Xian Gong Si |
| Manufacturer Part Number | SKR-MFP |
| Material Type | Metal |
| Model number | SK-MFP |
| Number of Items | 1 |
| Package Dimensions | 12.2 x 10.2 x 0.7 cm; 10 g |
| Point Type | Fine |

## Product Details

- **Age range (description):** All
- **Brand:** Sakerr
- **Colour:** Black
- **Ink colour:** Black
- **Writing instrument form:** Technical Pen

## Images

![Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool - Image 1](https://m.media-amazon.com/images/I/41jNeJKdRiL.jpg)
![Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool - Image 2](https://m.media-amazon.com/images/I/61DAjQdC2XL.jpg)
![Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool - Image 3](https://m.media-amazon.com/images/I/61cIpWsjPlL.jpg)
![Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool - Image 4](https://m.media-amazon.com/images/I/61xISh50NoL.jpg)
![Sakerr Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool - Image 5](https://m.media-amazon.com/images/I/71RQ4+zXaCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***R on 17 November 2024*

Easy to use

### ⭐ Review
*by M***E on 25 February 2025*

Disappointing- on first use as soon as I loosened the wheel to widen the gage it fell apart and the rod dropped out never to be seen again on my studio floor. Badly made as it should have been adjustable and hold at firm width required.

## Frequently Bought Together

- Masking Fluid Pen, Ruling Pen Adjustable Cross Hinge Fine Traight Line Art Ruler Pen Art Drawing Fixed Hinged Line Guide Masking Liquid Pen for Masking Fluid Fine Lines Drawing Tool
- MONT MARTE Masking Fluid Premium 120ml (4.06 US fl.oz), Masking Fluid for Watercolour Painting, Keeps Areas Free of Colour And Edges Crisp, Resists Watercolour, Ink and Pouring Paint

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**Shop now:** [https://www.desertcart.co.uk/products/644089446-sakerr-masking-fluid-pen-ruling-pen-adjustable-cross-hinge-fine](https://www.desertcart.co.uk/products/644089446-sakerr-masking-fluid-pen-ruling-pen-adjustable-cross-hinge-fine)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-19*