In what country is this product made?

We proudly make all of our Swanson Speed Squares here in the United States.

Can you mark 45 degree cuts

Hi Henry, Absolutely, you can mark 45-degree cuts with our famous Speed Square! We manufactured it as a right triangle with that use in mind - its hypotenuse (the long side of the triangle) is an exact 45-degree angle. Thanks for your interest in our square! The Swnason Team

Which size (7 or 12) would be best for a re-roofing project?

Typically a framing square would be the most helpful with a roofing project. But if I had to choose one or the other, I guess the 12. While 7 is standard, it will not span the short dimension of the shingle.

Does the ruler also have units of measurement of centimeters?

Hi Tomer, Great question! This Speed Square, our model # S0101, does not include metric units of measurement. Our Metric Speed Square, model # NA202 (and available on Amazon.com) does have metric units of measurement. Hope that helps! The Swanson Team

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Swanson Tool S0101 7-inch Speed Square Layout Tool with Blue Book, [New Version]

Swanson Tool S0101 7-inch Speed Square Layout Tool with Blue Book, [New Version]

Product ID: 85536588

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Details

Material
Aluminium
Brand
Swanson
Colour
Blue
Style
Tool
Graduation Range
0-7 Inches

📏7-inch precision layout

📘Includes pocket-sized Blue Book guide

🔷Diamond cutout for quick rafter cuts

Description

🔧 Own the craft, cut with confidence.

MASTER EVERY ANGLE - Graduations for common, hip, valley, and jack rafters ensure flawless angle and square cuts every time.
BLUEPRINT IN YOUR POCKET - Swanson Blue Book included for instant access to expert angle-cutting guidance on any pitched roof.
QUICK ACCURATE MARKING - 1/4-inch spaced scribing notches and Diamond cutout speed up rafter seat cuts and stud width markings.
TRUSTED HERITAGE MADE IN USA - Crafted since 1925, this tool is a staple on every pro’s bench—join the legacy of precision.
ALL IN ONE CARPENTRY ESSENTIAL - Combines try square, miter square, saw guide, line scriber, and protractor in one sleek tool.

The Swanson Tool S0101 7-inch Speed Square is a durable, aluminum layout tool made in the USA since 1925. It integrates multiple functions—try square, miter square, saw guide, line scriber, and protractor—into one compact device. Featuring 1/4-inch scribing notches, a Diamond cutout for rafter seat cuts, and detailed graduations for various rafters, it ensures precise angle and square cuts. The included pocket-sized Blue Book offers comprehensive guidance for accurate pitched roof cuts, making it an indispensable tool for carpenters, roofers, and DIY professionals.

Specifications

Material	Aluminium
Brand	Swanson
Colour	Blue
Style	Tool
Graduation Range	0-7 Inches
Product Dimensions	25.4L x 17.8W Centimeters
UPC	038987001017
Global Trade Identification Number	00038987001017
Manufacturer	Swanson Tool
Country of Origin	USA
Item model number	S0101
ASIN	B00002255O

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