---
product_id: 3515325
title: "Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading"
brand: "staedtler"
price: "114.87 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Staedtler"
url: https://www.desertcart.tn/products/3515325-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high
store_origin: TN
region: Tunisia
---

# 6 imperial scales for versatile precision High-contrast etched markings for crystal-clear readings Aluminum build for lightweight durability Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading

**Brand:** staedtler
**Price:** 114.87 DT
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your drafts with precision that professionals swear by!

## Quick Answers

- **What is this?** Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading by staedtler
- **How much does it cost?** 114.87 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/3515325-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high)

## Best For

- staedtler enthusiasts

## Why This Product

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

## Key Features

- • **Designed for the Modern Pro:** Weather-resistant and fade-proof, this ruler is engineered to keep up with your demanding projects.
- • **Trusted by Industry Leaders:** From architects to engineers, STAEDTLER’s legacy guarantees a tool that elevates your craft.
- • **Precision at Your Fingertips:** Six color-coded imperial scales ensure flawless measurements every time.
- • **Readability That Works Overtime:** High-contrast etched black graduations stay sharp and easy to read, even after hours of work.
- • **Built to Brave the Blueprint Battlefield:** Durable aluminum construction resists warping and wear, perfect for daily professional use.

## Overview

The STAEDTLER Professional Triangular Scale Ruler is a 12-inch aluminum architectural tool featuring 6 imperial scales across 3 sides with high-contrast etched markings. Engineered for durability and precision, it offers weather-resistant, fade-proof graduations ideal for architects, engineers, and designers who demand accuracy and reliability in blueprint reading and drafting.

## Description

Take your architectural and engineering projects to the next level with this high-quality triangular scale ruler (987M1831BK). Built for architects and designers who demand accuracy, this lightweight aluminum tool features 6 imperial scales with color-coded grooves for quick reference. The high contrast etched markings make blueprint reading a breeze, while the durable metal construction ensures it'll be your trusted drafting companion for years to come. Whether you're at the office or on-site, this architect scale delivers the precision and reliability you need.

Review: Love it - The old style metal tri ruler, love it, build quality is top notch, its solid like you remember them being, numbers are easy to read... this is the one.
Review: All I use is the quarter inch scale - All I use is the quarter inch scale. Works great for my purposes.

## Features

- BUILT TO LAST - This 12 inch ruler is made from aluminum, giving you a lightweight yet durable tool that stands up to daily use and harsh conditions without warping or wearing down
- CRYSTAL CLEAR READINGS - The etched black graduations on this drafting ruler pop against the metal surface, making measurements easy to read even after long hours at the blueprint table
- PRO-LEVEL PRECISION - This scale ruler for blueprints features 3 sides with 6 imperial scales, delivering the accuracy you need for architectural drawings, engineering plans, and detailed drafts
- DESIGNED FOR PROS - An architect and engineering ruler in one, it's packed with features working professionals demand - from weather-resistant aluminum to fade-proof markings
- STAEDTLER - Leading manufacturer and supplier of writing, paint, drawing and modeling products that help people around the world realize and share their ideas.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004CO9OKW |
| Best Sellers Rank | #71,625 in Office Products ( See Top 100 in Office Products ) #235 in Drafting Tools & Drafting Kits |
| Brand Name | STAEDTLER |
| Color | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (184) |
| Global Trade Identification Number | 00031901943530 |
| Included Components | True |
| Item Dimensions L x W | 2"L x 0.7"W |
| Item Type Name | Prof-quality Architect Triangular Scale |
| Item Weight | 0.01 Ounces |
| Manufacturer | Staedtler Inc. |
| Material Type | Aluminum, Metal |
| Model | 987M1831BK |
| Part Number | 987M1831BK |
| Style Name | Blue |
| UPC | 031901943530 |
| Unit Count | 1.0 Count |
| Warranty Description | Standard |

## Product Details

- **Brand:** STAEDTLER
- **Color:** Blue
- **Material:** Aluminum, Metal
- **Product Dimensions:** 2"L x 0.7"W
- **Style:** Blue

## Images

![Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading - Image 1](https://m.media-amazon.com/images/I/51WubBEYwvL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love it
*by A***Y on May 15, 2025*

The old style metal tri ruler, love it, build quality is top notch, its solid like you remember them being, numbers are easy to read... this is the one.

### ⭐⭐⭐⭐⭐ All I use is the quarter inch scale
*by A***R on March 30, 2025*

All I use is the quarter inch scale. Works great for my purposes.

### ⭐⭐⭐⭐⭐ Ruler
*by E***Y on July 22, 2024*

Perfect, just what my son needed for school

## Frequently Bought Together

- Staedtler Professional Triangular Scale Ruler, Metal Architecture Scale, 12 Inch, 987M1831BK
- Staedtler 12-Inches Engineer Aluminum Triangular Scale (987M1834BK),Blue
- Staedtler Stainless Steel Math Set with Ruler, 2 Triangles, Protractor, 4 piece, 566 32BK

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**Shop now:** [https://www.desertcart.tn/products/3515325-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high](https://www.desertcart.tn/products/3515325-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-04-23*