The Staedtler 557 Noris Club Maths Set comes with a variety of essential maths tools packed into a sturdy metal case | Ideal for keeping handy at school or at home to measure angles, draw perfect circles and arcs, measure lines and more | 15 cm ruler, 180 deg protractor, 45 deg and 60 deg set squares, sharpener, eraser, pencil, compass, dividers and lettering stencil | Short needle safety point compass and dividers | Self centering mechanism | Quality components | Packed in sturdy metal storage case