Editing Combination square (section)

=== Standard head ===
[[File:Combination_square_standard_head_diagram.png|thumb|280x280px|Labelled diagram of the standard head]]
The standard head can be used as a:

* [[Square (tool)|Square]], for marking and referencing 90° angles and checking if surfaces are flat and square to one another.
* [[Miter square|Mitre square]], for marking and referencing 45° angles, such as in woodworking for [[Miter joint|mitre joints]].
* Spirit level, to check if a surface is level or similarly if a surface or edge is plumb (vertical).
* Depth gauge or height gauge.
* Form of [[marking gauge]] for marking lines parallel to an edge, by setting the head to a certain distance from the end of the rule.<ref>{{Cite magazine |last=Capotosto |first=Rosario |date=September 1988 |title=Combination Square Know-How |url=https://books.google.com/books?id=zOQDAAAAMBAJ&q=%22combination+square%22&pg=PA130 |magazine=[[Popular Mechanics]] |page=130 |issn=0032-4558 |access-date=25 October 2020}}</ref>
* Reference for directly transferring dimensions without needing to take a measurement, minimising measurement errors and inaccuracies.<ref name=":0">{{Cite web |date=2020-04-25 |title=Combination Squares |url=https://www.popularwoodworking.com/techniques/combination-squares/ |access-date=2020-10-24 |website=[[Popular Woodworking Magazine]] |language=en-US}}</ref>