4 Pack Blue Metal Geometry Rulers, Aluminum Triangle Straightedge Protractor
Straightedge: 15 cm. 1 x 15 cm straightedge. Protractor: 9.4 cm 180 degree. 1 x 9.4 cm 180 degree protractor. Triangular rulers: 45 degrees(6x6cm). 2 x triangular rulers (45 degrees and 60 degrees). Material: Aluminum alloy.