Shinwa Protractor No. 101, 305mm.
• The scale is etched and finished with black chrome plating so it will not wear off easily.
• A silver finish reduces surface glare, making the scale easy to read.
• Useful for angle measurement, marking, and length measurement.
• The two-arm type can measure even acute angles.
• Large, clear scale numbers.
• A groove cut into the protractor plate holds the arm firmly in place.
