12
Protactor for education use. Ideal for geometry, design and drafting. Constructed from clear plastic. Half-circle: 180 degrees. Clockwise and anti-clockwise degree scale. Markings to 1 degree, numbered every 10 degrees. Diameter: 10cm.
Protactor for education use. Ideal for geometry, design and drafting. Constructed from clear plastic. Half-circle: 180 degrees. Clockwise and anti-clockwise degree scale. Markings to 1 degree, numbered every 10 degrees. Diameter: 10cm.