Can this be used in making precision markings or is it more for rough cut applications?

I do not feel this is to be considered a precision instrument. There are small bulges (drips), of paint along various edges that prevent one from being able to accurately draw straight lines or check an item for “square”.

How thick is this ruler?

The Mr. Pen ruler is about 1/16" inch thick and is made of a good quality metal. The metal is hard to bend and I personally like it.

Will this work at a Tshirt vinyl ruler?

I'm not sure I understand your question.

Is this ruler 1.5" wide?

The top portion is about 1.25 (the "top of the T") the longer part is 1.75" wide. Hope this helps

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Mr. Pen - T Square, T Ruler, 12 inch Metal Ruler, T Square Ruler, Drafting Tools, Architect Ruler, Set Square, Drafting Ruler, Tsquare, Truler, Architectural Triangle, Tee Ruler, L Square, Scale Ruler

Product ID: 88733911

Details

Brand
Mr. Pen
Color
black white
Graduation Range
1/16 Inches
Material
Carbon Steel
Style
T L Square T

📏12-inch precision scale

🔍Laser-etched dual-sided accuracy

⚙️High-impact carbon steel durability

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COP 77101

Duties & taxes included

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Elevate your designs with precision and style—because every line counts.

TRUSTED BY THOUSANDS - Join over 3,500 professionals who rated it 4.6 stars—don’t miss out on the drafting tool that’s trending in creative circles.
VERSATILE DRAFTING ESSENTIAL - Functions seamlessly as a T square, L square, and scale ruler—your all-in-one drafting companion.
PRECISION MEETS PROFESSIONALISM - Dual-sided laser-etched graduations in 1/16 inch and 1mm for flawless measurements every time.
BUILT TO LAST DESIGNED TO IMPRESS - Crafted from high-impact carbon steel, ensuring your ruler withstands the rigors of daily architectural and engineering use.
OPTIMIZED FOR MILLENNIAL CREATIVES - Sleek black finish with a calibrated 8-inch/20cm T-head for stylish, accurate design work.

The Mr. Pen 12-inch T Square is a premium drafting tool made from durable carbon steel, featuring laser-etched dual-sided measurements in both inches and centimeters. Designed for architects, engineers, and artists, it combines versatility as a T square, L square, and scale ruler with a sleek black finish and a calibrated 8-inch T-head, delivering professional-grade accuracy and longevity.

Specifications

ASIN	B07F1ZFV69
Best Sellers Rank	#24,857 in Office Products ( See Top 100 in Office Products ) #63 in Drafting Tools & Drafting Kits
Brand Name	Mr. Pen
Color	black, white
Customer Reviews	4.6 4.6 out of 5 stars (3,588)
Graduation Range	1/16 Inches
Item Dimensions L x W	12"L x 8"W
Item Weight	1 Grams
Manufacturer	Mr. Pen
Material Type	Carbon Steel, Metal
Model	TS12
Part Number	TS12
Style Name	T,L Square,Square,T Square
UPC	853126008265

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TrustScore 4.5 | 7,300+ reviews

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