Master General Purpose Template SKU - R18 Size - Contains circles, squares, hexagons and triangles. Includes 3 sizes and 2 styles of brackets, 2 North arrows and 2 sizes of arrowheads. Features 30, 45, 60, 90 degree triangles. Includes a 3" protractor and useful inch scale on bottom edge. Made of durable, translucent green plastic in the USA.