---
product_id: 342943751
title: "True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece)"
brand: "true-ally"
price: "279776₫"
currency: VND
in_stock: true
reviews_count: 8
category: "True Ally"
url: https://www.desertcart.vn/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long
store_origin: VN
region: Vietnam
---

# Color-coded dual sides for quick scale ID 30cm/12-inch precision length High-impact durable plastic with satin finish True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece)

**Brand:** true-ally
**Price:** 279776₫
**Availability:** ✅ In Stock

## Summary

> 📐 Measure like a pro, design like a visionary.

## Quick Answers

- **What is this?** True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) by true-ally
- **How much does it cost?** 279776₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long)

## Best For

- true-ally enthusiasts

## Why This Product

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

## Key Features

- • **Legacy of Excellence:** True-Ally’s 70+ years of professional-grade quality means you’re investing in reliability and precision.
- • **Color-Coded Efficiency:** Red and yellow sides let you switch scales instantly—no more fumbling or second-guessing.
- • **Versatile for Every Pro:** Trusted by architects, engineers, students, and hobbyists alike—your all-in-one measuring companion.
- • **Comfort Meets Durability:** Soft satin finish and tapered edges ensure fatigue-free use during long design sessions.
- • **Precision at Your Fingertips:** Multiple scale ratios (1:10 to 1:750) for flawless architectural and engineering measurements.

## Overview

The True-Ally Triangle Scale Ruler is a 30cm/12-inch high-impact plastic measuring tool featuring 11 color-coded scale ratios from 1:10 to 1:750. Designed for architects, engineers, and students, it combines precision, durability, and comfort with a satin finish and tapered edges. Trusted since 1950, it’s a professional-grade essential for accurate drafting and design.

## Description

True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) : desertcart.in: Office Products

Review: Good quality
Review: everything good and liked - everything good and liked

## Features

- 30cm / 12inch Triangular scale is made of white plastic with precision divisions and has color coded sides of red and yellow 1:10, 1:20, 1:25, 1:50, 1:75, 1:100, 1:125, 1:200, 1:250, 1:500, 1:750. Dimensions are in (cm) and (m) for easier working
- Multipurpose Scale - Designed for architect, engineer, and mechanical draftsman graduations. Great for students, hobbyists, and professionals alike.
- Durable, Premium Material - Made with a soft, satin finish from high-impact plastic. Edges are tapered for comfort and ease of use.
- Precision Design - Designed for accurate and reliable measurements and consistently straight edges to make every project easy and accurate.
- A Professional's Choice - True-Ally has been the professional's choice for drafting tools and drawing supplies for over half a century. Since 1950, we have brought quality and value to our customers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0997CXVZV |
| Best Sellers Rank | #4,494 in Office Products ( See Top 100 in Office Products ) #33 in Rulers |
| Brand | True-Ally |
| Brand Name | True-Ally |
| Colour | MultiColor |
| Country of Origin | India |
| Customer Reviews | 4.2 out of 5 stars 144 Reviews |
| Item Dimensions L x W | 30L x 4W Centimeters |
| Item Type Name | Ruler |
| Manufacturer | True-Ally |
| Material | Plastic |
| Material Type | Plastic |
| Product Dimensions | 30L x 4W Centimeters |
| Style | Tool |
| Style Name | Tool |
| Unit Count | 1.00 Count |

## Product Details

- **Brand:** True-Ally
- **Colour:** MultiColor
- **Material:** Plastic
- **Product Dimensions:** 30L x 4W Centimeters
- **Style:** Tool

## Images

![True-Ally Triangle Scale Ruler, 30 cm/12-inch Long Plastic Straight Measuring Tool for Architects, Engineers, School/College Students, Office Employee (1-Piece) - Image 1](https://m.media-amazon.com/images/I/51nLs03q2nS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by A***O on 9 January 2026*



### ⭐⭐⭐⭐⭐ everything good and liked
*by V***A on 3 October 2025*

everything good and liked

### ⭐⭐⭐⭐⭐ Glad you like the product! 😊👍
*by J***I on 8 February 2026*

Glad you like the product! 😊👍

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.vn/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long](https://www.desertcart.vn/products/342943751-true-ally-triangle-scale-ruler-30-cm-12-inch-long)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-04*