---
product_id: 72328654
title: "Metric Engineer Scale Ruler, Ruler, 12\" Aluminum Scale Ruler, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Metric Engineering, Drafting Ruler"
brand: "mr. pen"
price: "€ 13.86"
currency: EUR
in_stock: true
category: "Mr. Pen"
url: https://www.desertcart.at/products/72328654-metric-engineer-scale-ruler-ruler-12-aluminum-scale-ruler-triangular
store_origin: AT
region: Austria
---

# Color-coded scales 30cm precision length Triangular aluminum build Metric Engineer Scale Ruler, Ruler, 12" Aluminum Scale Ruler, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Metric Engineering, Drafting Ruler

**Brand:** mr. pen
**Price:** € 13.86
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your drafting game—measure like a pro, stand out in every project!

## Quick Answers

- **What is this?** Metric Engineer Scale Ruler, Ruler, 12" Aluminum Scale Ruler, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Metric Engineering, Drafting Ruler by mr. pen
- **How much does it cost?** € 13.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/72328654-metric-engineer-scale-ruler-ruler-12-aluminum-scale-ruler-triangular)

## Best For

- mr. pen enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** High-impact aluminum construction designed to withstand daily professional use.
- • **Blueprint-Ready Design:** Perfectly crafted for drafting floor plans, blueprints, and orthographic projections with confidence.
- • **Speedy Scale Selection:** Color-coded triangular faces let you switch scales in a snap—no more fumbling.
- • **Versatile Metric Mastery:** Six essential metric scales (1:20 to 1:125) cover all your architectural and engineering needs.
- • **Precision at Your Fingertips:** Laser-etched, scratch-proof markings ensure flawless accuracy every time.

## Overview

The Mr. Pen Metric Engineer Scale Ruler is a 12-inch, triangular aluminum drafting tool featuring durable laser-cut, color-coded metric scales (1:20 to 1:125). Engineered for precision and longevity, it’s ideal for architects and engineers working on blueprints and technical drawings.

## Description

desertcart.com : Mr. Pen- Metric Engineer Scale Ruler, Ruler, 12" Aluminum Scale Ruler, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Metric Engineering, Drafting Ruler : Office Products

## Features

- 30cm Engineer Scale Designed To Facilitate The Drafting And Measuring Of Architectural Drawings, Such As Floor Plans, Blue Prints, And Orthographic Projections
- Triangular Ruler Made From High Impact Aluminum, Build To Last
- Engineer Ruler With Durable Laser Cut Prints For Accuracy. They Will Not Wipe Or Scratch Off Ever
- Color Coded Triangular Scale For Easy And Quick Selection Of The Desired Scale
- Scale: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DNKNLSJ |
| Best Sellers Rank | #68,231 in Office Products ( See Top 100 in Office Products ) #257 in Drafting Tools & Drafting Kits |
| Brand | Mr. Pen |
| Brand Name | Mr. Pen |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 601 Reviews |
| Item Dimensions L x W | 3.39"W |
| Manufacturer | Mr. Pen |
| Material | Aluminum |
| Material Type | Aluminum |
| Part Number | SE01 |
| Product Dimensions | 3.39"W |
| Style | Triangular |
| Style Name | Triangular |
| UPC | 853126008197 |

## Product Details

- **Brand:** Mr. Pen
- **Color:** White
- **Material:** Aluminum
- **Product Dimensions:** 3.39"W
- **Style:** Triangular

## Images

![Metric Engineer Scale Ruler, Ruler, 12" Aluminum Scale Ruler, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Metric Engineering, Drafting Ruler - Image 1](https://m.media-amazon.com/images/I/71o5e1uvbQL.jpg)

## Questions & Answers

**Q: Do markings stay on this ruler?**
A: It seems your mileage may vary.  Some people say they received a ruled with etched/engraved markings.  I just received one of these and the markings are just printed on top of the aluminum - they are not etched could come off.

## Frequently Bought Together

- Partyreal CA11755
- Staedtler 12-Inches Engineers Triangular Scale (98718-34BK)
- Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool

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**Shop now:** [https://www.desertcart.at/products/72328654-metric-engineer-scale-ruler-ruler-12-aluminum-scale-ruler-triangular](https://www.desertcart.at/products/72328654-metric-engineer-scale-ruler-ruler-12-aluminum-scale-ruler-triangular)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-19*