Math set features essential tools for students to perform various calculations and measurements in the classroom. Compass with an easy-to-grip top provides a firm grip for exact drawings. Plastic case with a hinged lid protects and organizes your items between uses. Set includes compass, eraser, mechanical pencil, set squares, protractor, ruler and sharpener.Math set features essential tools for students to perform various calculations and measurements in the classroom. Compass with an easy-to-grip top provides a firm grip for exact drawings. Plastic case with a hinged lid protects and organizes your items between uses. Set includes compass, eraser, mechanical pencil, set squares, protractor, ruler and sharpener.