Includes 180 Degree Protractor, Center Head, Level, And Handle. 12" Steel Ruler Measures Both Millimeters And Inches. Made Of Hardened Stainless Steel. Accuracy +/- 15' Microfine Graduation Double Indexed Protractor Is Graduated 180 Deg In Both Directions 0-12" Blade Graduation 4r-8ths, 16ths, 32nds, 64ths With Reversible Lock Bolts, Spirit Level In Both Square Head And Protractor Head. Square Heads And Center Heads Are Forged, Hardened Steel With Smooth, Black Enamel Finish.

* Precision Protractor - Can Be Adjusted To The Direction You Wish

* 12" Stainless Steel Ruler - Inches On One Side, Metric On Another

* Level Vials Located On Square And Protractor Heads To Determine Straightness

* Square Heads And Center Heads Are Made Of Forged, Hardened Steel With Smooth, Black Enamel Finish

* Heavy Duty Construction - Durability And Quality