Can I use this I’m cm?

No. This scale is in fractions of an inch.

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

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?

This scale has 1/4” = 1’-0”, along with most other architectural scales (1/8”, 1/2”, 3/4”, etc).

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Mr. Pen - Architectural Scale Ruler, 12" Aluminum Architect Scale, Triangular Scale, Scale Ruler for Blueprint, Triangle Ruler, Drafting Ruler, Architect Ruler, Metal Scale Ruler, Architecture Ruler

Product ID: 256550067

Details

Brand
Mr. Pen
Colour
Silver
Graduation range
1/16 Inches
Material
Aluminum
Style
Compact

🎨Color-coded scales for quick use

📏12-inch precision length

🔺Triangular design for stability

E£ 3836

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Elevate your drafting game with precision and style!

PRECISION THAT LASTS - Laser-etched imperial scales that never fade or scratch, ensuring accuracy project after project.
COMPACT PROFESSIONAL - Sleek 12-inch size fits comfortably in your toolkit or desk, combining portability with premium durability.
BUILT FOR THE LONG HAUL - High-impact aluminum construction designed to withstand daily use without warping or damage.
EFFORTLESS SCALE SELECTION - Color-coded triangular faces let you switch between scales instantly, saving valuable time.
VERSATILE DRAFTING ESSENTIAL - Supports a wide range of imperial scales from 1/32 to 1-1/2, perfect for blueprints, floor plans, and orthographic projections.

The Mr. Pen 12-inch Triangular Architect Scale Ruler is a durable aluminum drafting tool featuring laser-cut, fade-resistant imperial scales and color-coded faces for quick scale identification. Designed for architects, engineers, and designers, it offers versatile measurement options ideal for blueprints and technical drawings, combining professional-grade accuracy with long-lasting build quality.

Specifications

ASIN	B07DNHCMS7
Best Sellers Rank	#132,559 in Office Products ( See Top 100 in Office Products ) #658 in Rulers
Brand	Mr. Pen
Brand Name	Mr. Pen
Color	Silver
Colour	Silver
Customer Reviews	4.6 out of 5 stars 4,862 Reviews
Graduation Range	1/16 Inches
Graduation range	1/16 Inches
Item Dimensions L x W	30L x 30W centimeters
Manufacturer	Mr. Pen
Material	Aluminum
Material Type	Aluminum
Model	SA01
Number of Items	1
Number of Packs	1
Part Number	SA01
Product dimensions	30L x 30W centimeters
Style	Compact
Style Name	Compact
UPC	853126008180
Unit Count	1.0 Count

Reviews

J**S

Perfect

Perfectly fine

16.12.2025

V**R

Wrong description

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

8.09.2023

D**Y

Excelente calidad

Excelente calidad, muy buena es metal resistente

21.09.2026

B**S

Wish I had one years ago

Awesome scale rule, easy to read and love that it is aluminum.

13.10.2025

A**N

Good quality

Good quality, strong and sturdy, nice appearance.

21.09.2026

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E£ 3836

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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