HELIX 10CM 180 DEGREE PROTRACTOR CLEAR
Helix 10cm 180 Degree Protractor Clear
Helix 10cm 180 Degree Protractor Clear Pack of 50 H02040. Ideal for geometry design and drafting. Constructed from clear plastic. 180 degrees. Clockwise and anti-clockwise degree scale. Markings to 1 degree numbered every 10 degrees. Diameter: 10cm.