Math/geometry set is ideal for students Contains compass, 6 inch ruler, protractor, 2 set squares, eraser, pencil, pencil sharpener, stencil and metal tin The Maped Helix Oxford Math Set contains all you need to tackle math problems, both big and small. ludes: compass, 6-inch ruler, protractor, 2 set squares, eraser, stencil, pencil, pencil sharpener, all packed in a portable tin. For over 60 years Maped has been creating innovative, high-quality products and renewing the often traditional school and office accessories markets with an assortment of ergonomic and eye-catching products tailored to the needs of the consumer.