Geometrical Instruments are used to calculate the length of a required segment and angle. Provided stocks comes in a full set of instruments like divider, pen, compass, ruler, protractor, square scale and d- shape scale in a geometry box. These are easy to make arcs or circles on blackboard as well as in notebook. Geometrical Instruments are useful to make dividers and measure the distances in mathematics. Made with tough plastic materials to enhance its long service life.