Zero Line Reconstruction ProtractorSKU: 6114
These Protractors have a base and were specifically designed to be used in the reconstruction of blood spatter and projectile trajectory evidence. The large 12" 180 degree protractor provides easy to read degree markings along the edge with bold lettering indicating impact angles. The 90 degree Protractor simplifies measurement in corners and other tight spots. Both protractors are constructed from heavy gauge plastic with and extra thick base to ensure stability and orientation perpendicular to the reference surface.