Rigid hand tools
Carpenter square / combination square
Carpenter square / combination square: Checks or marks right angles and related measurements according to the square type. Accepted recognition cues: right-angle reference surfaces and rigid blade and stock or L-shaped body.

- Primary use
- Checks or marks right angles and related measurements according to the square type.
- Recognition cues
- right-angle reference surfaces; rigid blade and stock or L-shaped body
- Evidence
- Strong entry-level support
- Scope
- Supported for the entry-level series
- Practice status
- Eligible for the released text-question format.