The planer gage is used to set tool heights on shapers and planers inreference to either the table or workpiece. If you have the completeset you can use the scriber as a transfer gage, scribe layout lines, oruse it as a production gage.
6-1/4 Inch Adjustable Planer and Shaper Gage -/
|Type||Planer & Shaper Gage|
|Minimum Adjustable Size (Inch)||1/4|
|Maximum Adjustable Size (Inch)||6-1/4|