---
product_id: 3515281
title: "Architectural Triangular Scale, 12in Scale Ruler with 6 Different Scales, Color-Coded Grooves, Die-Engraved Graduations"
brand: "staedtler"
price: "7.17 OMR"
currency: OMR
in_stock: true
reviews_count: 8
category: "Staedtler"
url: https://www.desertcart.com.om/products/3515281-architectural-triangular-scale-12in-scale-ruler-with-6-different-scales
store_origin: OM
region: Oman
---

# color-coded grooves 6 precise scales die-engraved graduations Architectural Triangular Scale, 12in Scale Ruler with 6 Different Scales, Color-Coded Grooves, Die-Engraved Graduations

**Brand:** staedtler
**Price:** 7.17 OMR
**Availability:** ✅ In Stock

## Summary

> 📐 Draft like a pro, measure like a master!

## Quick Answers

- **What is this?** Architectural Triangular Scale, 12in Scale Ruler with 6 Different Scales, Color-Coded Grooves, Die-Engraved Graduations by staedtler
- **How much does it cost?** 7.17 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/3515281-architectural-triangular-scale-12in-scale-ruler-with-6-different-scales)

## 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

- • **Built to Last:** Die-engraved graduations guarantee permanent, fade-resistant markings that stay sharp through countless projects.
- • **Lightweight Durability:** Crafted from sturdy yet lightweight white plastic, this ruler feels balanced and comfortable during marathon drafting sessions.
- • **Speedy Scale Switching:** Color-coded grooves let you jump between scales in seconds—no more fumbling or second-guessing.
- • **Trusted by Pros Worldwide:** STAEDTLER’s legacy of precision tools means you’re equipped with a ruler that architects and engineers rely on daily.
- • **Precision at Your Fingertips:** Six essential architectural scales from 3/32" to 3" per foot ensure flawless blueprint measurements every time.

## Overview

The STAEDTLER Architectural Triangular Scale is a 12-inch, durable plastic ruler featuring six die-engraved, fade-resistant scales with color-coded grooves for quick, accurate blueprint measurements. Designed for architects and engineers, it combines precision, speed, and comfort in a trusted professional-grade drafting tool.

## Description

Take your architectural and engineering projects to the next level with this triangular scale ruler (98718-31BK). This versatile drafting tool features six different scales across three sides, with color-coded grooves for quick reference. Made with durable white plastic, this 12-inch ruler offers both open and fully divided measurements, ideal for architects and engineers alike. The die-engraved graduations ensure lasting accuracy and easy reading, whether you're working on detailed blueprints or technical drawings.

Review: Just as expected -- good rule! - Okay, a triangle rule, such as this can be a real help when drawing out architectural plans (I'm no pro, but have done many times, for our needs, over the years) and, this one doesn't disappoint. I read most/all reviews before purchasing and am not unhappy, in any way, with it. Accurate, clear, large-enough markings to use well -- no "oops" in the making of this product, where one might feel like it's an inferior product.
Review: Works good - Works as it should.

## Features

- BUILT FOR SPEED - Die-engraved graduations on all 3 sides of this triangle ruler make reading measurements a breeze. The clear, permanent markings won't fade or wear away over time
- SCALE MASTER - From 3/32" to 3" per foot, this scale ruler for blueprints gives you every architectural scale you need. Obtain those blueprint measurements with confidence and total accuracy
- PRO-LEVEL PRECISION - This engineering scale ruler and metric ruler has 6 essential scales with color-coded grooves for quick selection. Switch between measurements in seconds while drafting
- SMART ENGINEERING - Crafted from durable white plastic that's both lightweight and sturdy. This architectural scale ruler feels great in your hand through those long drafting sessions
- 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 | B001E67XZ4 |
| Best Sellers Rank | #40,976 in Office Products ( See Top 100 in Office Products ) #145 in Drafting Tools & Drafting Kits |
| Brand | STAEDTLER |
| Brand Name | STAEDTLER |
| Color | White |
| Customer Reviews | 4.5 out of 5 stars 418 Reviews |
| Global Trade Identification Number | 00031901901462, 00031901907105 |
| Graduation Range | 12 Inches |
| Included Components | Staedtler 12-Inches Architect Triangular Scale (98718-31BK) |
| Item Dimensions L x W | 15.5"L x 2"W |
| Item Type Name | Triangular Scale |
| Item Weight | 0.11 Pounds |
| Manufacturer | #N/A! |
| Material | Plastic |
| Material Type | Plastic |
| Model | STD9871831BK |
| Part Number | 987 18-31BK |
| Product Dimensions | 15.5"L x 2"W |
| Style | Blue |
| Style Name | Blue |
| UPC | 031901901462 785525489959 031901907105 638458808062 799916110117 799198363058 635665122233 |
| Unit Count | 1.0 Count |
| Warranty Description | STAEDTLER's Product Guarantee: If your STAEDTLER product fails to perform to your satisfaction, simply return it for replacement to: Customer Service |

## Product Details

- **Brand:** STAEDTLER
- **Color:** White
- **Graduation Range:** 12 Inches
- **Material:** Plastic
- **Style:** Blue

## Images

![Architectural Triangular Scale, 12in Scale Ruler with 6 Different Scales, Color-Coded Grooves, Die-Engraved Graduations - Image 1](https://m.media-amazon.com/images/I/51LlkzsWo9L.jpg)

## Questions & Answers

**Q: Where is it made?**
A: I suspect Amazon has linked this review to multiple similar items as it has on others because I do not doubt the others who say their rulers were made in Germany.  But, as the previous commentator replied, the description says this one is made in Japan.  Another possibility, the seller has switched items but not updated the ad?

**Q: Does it have architect and engineering scale ?**
A: It only has the architect scales.

**Q: Does it read 1/8? I need a Architect scale 1/8 for class, was just making sure this was the correct size scale.**
A: Yes it has 1/8,  3/16, 1/4,  1/2,   3/4 , 1" and 1 1/2". Happy New Year

**Q: What's the difference between a student and a professional architectural scale? The professional obviously costs more.**
A: I believe the difference in cost is due to the professional scale having the markings etched into the scale.  A student model simply has the measurement markings painted on to the scale.  If you don't subject the scale to constant use buy a student model, it's accurate enough for DIYers.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Just as expected -- good rule!
*by G***E on June 9, 2014*

Okay, a triangle rule, such as this can be a real help when drawing out architectural plans (I'm no pro, but have done many times, for our needs, over the years) and, this one doesn't disappoint. I read most/all reviews before purchasing and am not unhappy, in any way, with it. Accurate, clear, large-enough markings to use well -- no "oops" in the making of this product, where one might feel like it's an inferior product.

### ⭐⭐⭐⭐⭐ Works good
*by J***D on January 14, 2026*

Works as it should.

### ⭐⭐⭐⭐⭐ Steadtler always means quality
*by W***N on May 21, 2024*

Need I say anything else?

## Frequently Bought Together

- Staedtler 12-Inches Architect Triangular Scale (98718-31BK)
- Staedtler 12-Inches Engineers Triangular Scale (98718-34BK)
- Triangle Set 10 Inch 30/60 & 45/90

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-04-23*