---
product_id: 118648514
title: "Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading"
brand: "staedtler"
price: "S$45"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/118648514-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high
store_origin: SG
region: Singapore
---

# 12in precision length high-contrast etched markings 6 imperial scales, triple-sided Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading

**Brand:** staedtler
**Price:** S$45
**Availability:** ✅ In Stock

## Summary

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

## 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?** S$45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/118648514-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

- • **Pro-Grade Versatility:** Designed for architects and engineers alike, this ruler adapts seamlessly from office to on-site demands.
- • **Effortless Readability:** High-contrast black etched graduations make measurements crystal clear, even after hours of use.
- • **Engineered for Precision:** Six imperial scales on three sides ensure flawless accuracy for every blueprint and draft.
- • **Trusted Brand Excellence:** STAEDTLER’s legacy of quality ensures you’re equipped with a tool that professionals worldwide rely on.
- • **Durability Meets Portability:** Lightweight aluminum construction resists warping and wear, built to last through any project.

## Overview

The STAEDTLER Professional Triangular Scale Ruler is a 12-inch aluminum drafting tool featuring six imperial scales across three sides with high-contrast etched markings. Lightweight yet durable, it offers precise measurements ideal for architects and engineers, combining portability with professional-grade accuracy and long-lasting performance.

## Description

STAEDTLER Professional Triangular Scale Ruler - 12in Metal Architectural Scale with High-Contrast Etched Markings, 6 Imperial Scales for Drafting & Blueprint Reading

## 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 |
|---------------|-------|
| Brand | STAEDTLER |
| Model Number | 987M1831BK |
| Colour | Blue |
| Product Dimensions | 5.08 x 1.78 x 0.51 cm; 0.28 g |
| Maximum Weight Capacity | 12 Tons |
| Material | Metal Aluminum |
| Special Features | Lightweight |
| Item Weight | 0.28 g |

## Product Details

- **Brand:** STAEDTLER
- **Colour:** Blue
- **Recommended uses for product:** Drafting, Engineering, Blueprint Reading
- **Special feature:** Lightweight
- **Display type:** analog

## 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)

## 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.sg/products/118648514-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high](https://www.desertcart.sg/products/118648514-professional-triangular-scale-ruler-12in-metal-architectural-scale-with-high)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-20*