Set square and Try square

Set square noun - A try square with an adjustable sliding head.

Try square and set square are semantically related. In some cases you can use "Try square" instead a noun phrase "Set square".

Try square noun - A square having a metal ruler set at right angles to another straight piece.

Set square and try square are semantically related. Sometimes you can replace phrase "Set square" with "Try square", this phrases are similar.