Graduated arc and measuring arm made of stainless steel. All measuring edges are lapped.
The moveable measuring arm can be clamped with a knurled screw Measuring Range 180 degree Accuracy 0.3 degrees Retaining Function : The measurement value can be fixed in any position
Measuring Range 150 x 200 mm Graduation 0.05″ Diameter of Protractor 158 mm Length of Blade 211.5 mm