Try square
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A try square or try-square is a woodworking tool used for marking and checking 90° angles on pieces of wood. Though woodworkers use many different types of square, the try square is considered one of
A try square with a steel blade rivetted into a wooden stock faced with brass.
Using a try square to check if the full length of a board is square.
Ancient Egyptian try square from the 20th century BC. Discovered in 1920 in the tomb of Meketre near Thebes.
Painting by Rubens of St James the Less clutching a try square, a symbol associated with several Christian saints.
Combination square
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A combination square is a multi-purpose measuring and marking tool used in metalworking, woodworking, and stonemasonry. It is composed of a rule and one or more interchangeable heads that can be attac
Try square
…by hand. Wooden blades can be corrected using a hand plane and sandpaper, while metal blades can be corrected using a file, emery cloth, or sandpaper. Combination square Machinist square…
A Starrett combination square with a standard head
A combination set with the rule (top), a standard head (left), protractor head (centre), and a centre finder head (right).