FEATURES:

* Three measuring heads are attached to the stainless steel rule (blade),
allowing versatile measurements on various types of workpieces.
* The measuring heads are hardened.
* Economy sets not including a protractor head are also available.

Technical Data:

*Square head: Used to set the rule at 90 degrees or 45 degrees to an edge of a workpiece.
*Center head: Used to locate centers of round workpieces
*Protractor head: Used to set the rule at a desired angle to an edge of a workpiece. Also used for measuring angles.