Set Square 60° 30cm / 12"
Semi Circular Protractor 180°
Circle Protractor 360° / 5.5"
12" Ruler
Set Squares - Technical Drafting Rulers are combination of 10" and 12" professional triangles made of clear plastic .
Thickness - 2.9 mm Markings on both side in mm/inch. The rate of transparency allows to see the medium below for easy positioning