This Drill Gauge Offers Several Options. You Can Use It As A Tri-square, A Protractor, Center Finder, Circle Divider, Drill Point Gauge, And To Measure Tap Drill Size. Fits Great In Any Tool Box. Comes In It's Own Vinyl Pouch.

* 5.75" Long

* Weighs Only 1 Oz.

* Stainless Steel

* Has a Size chart at the back

Ruler : 5"-9cm , Circle Finder : upto 36mm Dia, Protractor : 0-180 Degrees