Marlin Math Set 11 Piece comes in a strong metal container, making it easy to carry and safe to store. It includes all the tools students need for measurement and drawing in class, such as compass, ruler, protractor, set squares, pencil, and eraser. Perfect for school use, this set helps with geometry, maths, and technical drawing tasks. Packed in retail packaging, it is ready for use right away. Please note, this item comes with no warranty.