---
product_id: 379287486
title: "Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool"
brand: "mr. pen"
price: "฿687"
currency: THB
in_stock: true
reviews_count: 7
category: "Mr. Pen"
url: https://www.desertcart.co.th/products/379287486-mr-pen-architectural-scale-ruler-12-inch-white-contractors-scaling
store_origin: TH
region: Thailand
---

# Color-coded scales for quick use 12-inch precision length High-impact aluminum build Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool

**Brand:** mr. pen
**Price:** ฿687
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your designs with precision that lasts – don’t just measure, master it!

## Quick Answers

- **What is this?** Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool by mr. pen
- **How much does it cost?** ฿687 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/379287486-mr-pen-architectural-scale-ruler-12-inch-white-contractors-scaling)

## Best For

- mr. pen enthusiasts

## Why This Product

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

## Key Features

- • **Laser-Cut Accuracy:** Imperial scale markings are laser-etched to ensure they never fade or scratch off, guaranteeing lifelong precision.
- • **Compact & Professional:** A sleek 12-inch ruler that fits comfortably in your toolkit or desk, elevating your drafting game and professional image.
- • **Versatile Drafting Tool:** Perfectly engineered for architects, engineers, designers, and students to measure floor plans, blueprints, and orthographic projections with confidence.
- • **Effortless Scale Selection:** Color-coded triangular design lets you instantly identify and switch between 10 different architectural scales.
- • **Precision Meets Durability:** Crafted from high-impact aluminum to withstand the rigors of daily use without bending or breaking.

## Overview

The Mr. Pen 12-inch Triangular Architectural Scale Ruler is a professional-grade drafting tool made from durable high-impact aluminum. Featuring laser-cut, fade-resistant imperial scales and a color-coded design for quick scale identification, it supports 10 different measurement ratios ideal for architects, engineers, and designers. This ruler combines precision, longevity, and ease of use to enhance your drafting and measuring tasks.

## Description

Mr. Pen- Triangular Scale Is Designed To Equip Architects, Engineers, Artists, Designers, Students, Teacher With The Right Tools For Their Various Projects.The Package Includes:12” Architect Triangular Scale:Made From High Impact Aluminum To Last ForeverLaser Cut Prints For Accuracy And Durability. The Prints Will Not Wipe Or Scratch OffImperial Scale: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16Designed To Facilitate The Drafting And Measuring Of Architectural Drawings, Such As Floor Plans, Blue Prints, And Orthographic ProjectionsColor Coded Triangular Scale For Easy And Quick Selection Of The Desired Scale

Review: Perfect - Perfectly fine
Review: Cheap - Cheap for a reason, 3 of the ends were bent which interfered with the straightness and coloured lines not stuck properly. Returned.

## Features

- 12inch Triangular Architect Scale Designed To Facilitate The Drafting And Measuring Of Architectural Drawings, Such As Floor Plans, Blue Prints, And Orthographic Projections
- Triangular Ruler Made From High Impact Aluminum, Build To Last
- Architect Ruler With Durable Laser Cut Imperial Prints For Accuracy. They Will Not Wipe Or Scratch Off Ever
- Color Coded Triangular Scale For Easy And Quick Selection Of The Desired Scale
- Imperial Scale: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DNHCMS7 |
| Best Sellers Rank | 93,891 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 24 in Triangular Scales |
| Brand | Mr. Pen |
| Colour | White, Red |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,844) |
| Graduation Range | 1/16 Inches |
| Item Dimensions L x W | 30L x 30W centimetres |
| Manufacturer | Mr. Pen |
| Manufacturer Part Number | SA01 |
| Material | Aluminium |
| Model Number | SA01 |
| Style Name | Triangular |
| UPC | 853126008180 |

## Product Details

- **Brand:** Mr. Pen
- **Colour:** White, Red
- **Graduation range:** 1/16 Inches
- **Material:** Aluminium
- **Style:** Triangular

## Images

![Mr. Pen Architectural Scale Ruler, 12 Inch, White, Contractor's Scaling Ruler, Drawing & Drafting Tool - Image 1](https://m.media-amazon.com/images/I/51QYKGnAyvL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Can I use this I’m cm?**
A: No.  This scale is in fractions of an inch.

**Q: Will it measure 3/32**
A: Yes.  The scales for this ruler are: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16

**Q: Since most drawings I have ever used are 1/4” scale this scale does not have 1/4” which all of my scales I no longer have had 1/4”. Why?**
A: This scale has 1/4” = 1’-0”, along with most other architectural scales (1/8”, 1/2”, 3/4”, etc).

**Q: Centimeters scale included?**
A: No!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by J***S on 16 December 2025*

Perfectly fine

### ⭐ Cheap
*by S***N on 20 March 2026*

Cheap for a reason, 3 of the ends were bent which interfered with the straightness and coloured lines not stuck properly. Returned.

### ⭐ Review
*by V***R on 8 September 2023*

It is not of aluminum... It is made of cheap plastic...

## Frequently Bought Together

- Mr. Pen- Architectural Scale Ruler, Scale Ruler, 12 inch, White, Scale Ruler Contractor, Architect Scal, Scaling Ruler, Drawing Ruler, Architectural Ruler, Rulers for Drawing, Drafting Tools
- Mr. Pen- House Plan, Interior Design and Furniture Templates, Drafting Tools and Ruler Shapes for Architecture - Set of 3
- Mr. Pen- Small Architectural Scale Ruler, Aluminium, 6 Inch, 2 Pack, Green and Orange, Pocket Size Ruler, Triangle Ruler, Metal Ruler Set, Architect Scale Ruler for Blueprints

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**Shop now:** [https://www.desertcart.co.th/products/379287486-mr-pen-architectural-scale-ruler-12-inch-white-contractors-scaling](https://www.desertcart.co.th/products/379287486-mr-pen-architectural-scale-ruler-12-inch-white-contractors-scaling)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-24*