What Is A Try Square? What Is A Try Square Used For?

what is a try square
Home > What Is This Tool?

A Try Square is a highly popular tool used to quickly check and/or mark the squareness (90 degrees / right-angle) of a piece of work, it is also used to mark straight lines by running a pencil or marking knife along the edge of the try squares straight blade.

Try squares simply consist of a thick bodied main stock (handle) and a blade (straight edge) set at 90 degrees to each other.

The stock may be made from metal or wood with the blade in most cases made from steel with occasional blades made from wood or brass.

try square

Old try squares found today usually have a Rosewood or Ebony stock mixed with contrasting brass parts such as protective plate edges and decorative rivit inlaid covers. In the past there have been some highly elaborate and unusual try square designs, these try squares can be of particular interest to try square collectors / tool collectors.

This popular style of try square is still made today though often with a slightly less elaborate style. One new try square manufacturer which continues the traditions of their family line is the Joseph Marples try square makers. Joseph Marples sometimes make special edition try squares / tools which are tools to marvel.

A try square is measured from the furthest point of the blade to where the blade meets the stock. If this measurement is 6" then it is a 6" try square.

try square

Try squares usually have a slightly lower accuracy tolerance than that of an engineers / machinist square.

Try squares are a tool which have been used for centuries and surely will be a tool used for years to come.

The try square is a tool found in most tool-kits / workshops of cabinet makers, jointers, carpenters, woodworkers, DIY'ers and hobbyists around the world.

try and mitre square

Try & Mitre Squares

What is a try & mitre square? A try & mitre square is a square capable of marking 90 degree angles (square) and 45 degree angles (mitre).

A try & mitre square looks just like a try square (see above) except the top of the stock (handle) is cut at a 45 degree angle.

Try Square Manufacturers:

There have been a number of try square makers in the past, and present. Below are a list of a few well known try square manufacturers:

New Try Square Manufacturers:

  • Bahco
  • Crown Tools
  • Faithfull
  • Irwin Marples
  • Joseph Marples
  • Shinwa
  • Spear & Jackson
  • Stanley

Old Try Square Manufacturers:


(i) This review/article may give warning(s) / advisory notes / cautions / guidelines given in good faith, any such information should not be solely relied upon and seen as the exhaustive list of warnings / advisory notes / cautions / guidelines. Refer to good safety practices for the safety of you and others. Refer to good practices for the good health of your tool and property.
(ii) The details here are given in good faith, the details are constantly growing and evolving, there is scope for error and shouldn't be fully relied upon, please confirm any details for yourself by performing additional research from reliable sources.

Use Of Content

Enjoy viewing the encyclopedia of tools.

If you are inspired by our content or use info such as dates, sizes, details from FindMyTool.co.uk please kindly give credit where credit is due via giving a nod in a video or a link to this website.

Please see our terms if using more than a few dates or details.


Your AD Here

Readers Pick

"Just stumbled across your website and an absolute treasure trove of information. I was recently given an old Stanley 110 block plane and wanted to know more about it. Your website told me everything I needed to know.

But there is so much more to read. I forsee me spending a lot of time just reading page after page. I can appreciate how much time this will have taken to put together.

I just wanted to let you know that your hard work is appreciated."

Copyright © findmytool.co.uk All rights reserved