---
product_id: 38278775
title: "OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125"
brand: "ocm brand"
price: "€ 20.91"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ocm Brand"
url: https://www.desertcart.ie/products/38278775-ocm-metric-triangular-engineer-scale-ruler-proffessional-grade-solid-aluminum
store_origin: IE
region: Ireland
---

# 6 precise metric scales solid aluminum build triangular shape for safer scoring OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125

**Brand:** ocm brand
**Price:** € 20.91
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your drafting game with precision that lasts!

## Quick Answers

- **What is this?** OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125 by ocm brand
- **How much does it cost?** € 20.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/38278775-ocm-metric-triangular-engineer-scale-ruler-proffessional-grade-solid-aluminum)

## Best For

- ocm brand enthusiasts

## Why This Product

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

## Key Features

- • **Versatile for Every Pro:** Ideal for architects, engineers, and designers who demand precision and reliability in their tools.
- • **Clear, Permanent Markings:** Die-engraved gradations resist wear, keeping your measurements sharp and readable forever.
- • **Ergonomic Triangular Design:** Three-sided body reduces smearing and enhances grip for confident, clean drafting.
- • **Precision in Every Millimeter:** Six professional-grade metric scales (1:20 to 1:125) for flawless technical accuracy.
- • **Built to Last, Designed to Impress:** Solid aluminum construction ensures durability and a premium feel that outlasts plastic rulers.

## Overview

The OCM Metric Triangular Engineer Scale Ruler is a professional-grade, solid aluminum drafting tool featuring six precise metric scales from 1:20 to 1:125. Its ergonomic triangular design minimizes smearing and enhances safety during cutting and scoring. Die-engraved markings ensure long-lasting readability, making it the perfect choice for architects, engineers, and technical illustrators seeking durable, accurate measurement tools.

## Description

desertcart.com : OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125 : Office Products

Review: Amazing product - Works perfectly
Review: Professional Grade Scale Ruler - I'm very pleased with this scale ruler. It is way better than the plastic screen-printed rulers that I have used in the past where the markings would eventually rub off. This ruler is made from solid aluminum and features die-engraved markings that are easy to read and should last forever. I would highly recommend this professional quality product to anyone.

## Features

- SOLID ALUMINUM 30cm METRIC - Engineer, Mechanical, Architectural, Draftsman scale ruler with triangular body for safer cutting and scoring of materials.
- PRECISE SCALES - 1:20, 1:25, 1:50, 1:75, 1:100, 1:125. For professional applications, architecture, engineering, and technical Illustration
- PRECISION MARKED METRIC GRADATIONS (NOT IMPERIAL) - Easy-to-read printed gradations.
- 3 SIDES with 6 METRIC SCALES - Concave base reduces smearing when drawing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MQSQJCJ |
| Best Sellers Rank | #78,033 in Office Products ( See Top 100 in Office Products ) #283 in Drafting Tools & Drafting Kits |
| Date First Available | December 5, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.2 ounces |
| Item model number | OP-33808 |
| Manufacturer | OCM |
| Product Dimensions | 12.5 x 1 x 0.04 inches |

## Product Details

- **Brand:** OCM Brand
- **Color:** Chrome
- **Graduation Range:** 30 Centimeters
- **Material:** Aluminum
- **Style:** Classic

## Images

![OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125 - Image 1](https://m.media-amazon.com/images/I/61yLzQN6wnL.jpg)

## Questions & Answers

**Q: Why is your 1:125 scale so far off? No QA department?**
A: You sure you are working in METRIC?

**Q: This is cm or inch?**
A: Cm/mm

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing product
*by K***O on August 21, 2023*

Works perfectly

### ⭐⭐⭐⭐⭐ Professional Grade Scale Ruler
*by F***S on January 16, 2017*

I'm very pleased with this scale ruler. It is way better than the plastic screen-printed rulers that I have used in the past where the markings would eventually rub off. This ruler is made from solid aluminum and features die-engraved markings that are easy to read and should last forever. I would highly recommend this professional quality product to anyone.

### ⭐⭐⭐⭐⭐ school supply
*by A***L on July 21, 2017*

My son is an engineering student and needed a new ruler. He said he really likes the features of this one. It seems to be sturdy, well-made, and easy to read.

## Frequently Bought Together

- OCM Metric Triangular Engineer Scale Ruler (Proffessional Grade Solid Aluminum) 30 Centimeters Metric Engineering Architectural Mechanical Drafting Ruler - 1:20, 1:25, 1:50 1:75, 1:100, 1:125
- Architectural Scale Ruler, Imperial Measurements 12'', Laser-Etched Aluminum Architect Triangular Ruler Black for Architects, Students, Draftsman, and Engineers by mveohos
- Intoy 12 Inch Triangular Engineer Scale Ruler, Anodized Solid Aluminum Core with Laser Etched Scales, Imperial Scale - 1:10, 1:20, 1:30, 1:40, 1:50, 1:60, Ideal for Civil Engineering Drafting

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-25*