- 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.
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.