What is a closing angle and what is it used for?

A try square is a tool used to measure or create angles in various DIY and construction tasks. Made of plastic or metal, it has the shape of a right angle with a short and a long edge, which may differ in length.

The main purpose of a try square is to create or measure accurate 90-degree angles. For example, in carpentry work or when laying tiles, where precision is crucial, it is an indispensable tool. It allows the user to ensure that two edges or surfaces are exactly perpendicular to each other.

Other uses include:

• Measuring and marking angles for saw cuts, especially in carpentry and timber framing.
• Checking room corners for squareness, which is especially helpful when laying tiles or hanging wallpaper.
• Checking the alignment of items such as shelves or picture frames to ensure they are exactly level or vertical.