Flair Carbonix Math. Instrument Geometry Box (Black)Color: Black Number of Geometry Boxes: 1 Design: NA Geometry Box Material: Geometry Box Steel & Inside material Plastic Specially designed self centering compass and divider, for ease and accuracy while drawing circles and angles. The plastic used in ruler, protractor and set square are made of high transparency plastic and comes with precise marking for easy reading and accurate drawings Specifications Sales Package Mechanical Pencil 0. 7mm Lead Box