Molded in tinted polystyrene.
Graduated in 0-90º quadrants and 0-360º in 1/2º increments.
Features beveled edges and cut-out centers.
Manufactured in accordance with CID-A-A-52300.
Graduated in 0-90º quadrants and 0-360º in 1/2º increments.
Features beveled edges and cut-out centers.
Manufactured in accordance with CID-A-A-52300.
Semi-Circular
