This is a gauge for setting 12" planer knives. I have a Delta TP300 12" planer and the gauge came with it, when I bought it.
I took measurements as close as possible, I hope this may help people who cannot find a gauge or even buy one.
Hope this helps you make ypur own gauge.
#12_Planer_knife_setting_gauge #Delta_TP300 #Gauge #tool