Helix 180 Degree Swing Arm 6" Protractor Assorted Colors

Swing arm protractor rotates 180° 

Helps accurately draw and measure angles 

Measure angles from left to right or right to left 

Easy-to-read inch and centimeter marks 

6" & 10cm ruler integrated at the bottom 

Made of translucent material to easily see what you are measuring 

Assorted colors