Math geometry tool set: 9pcs set (1 Compass,1 Divider,1 Pencil,1 15cm ruler,2 Set squares,1 Protractor,1 Eraser,1 Sharpener)The plastic used in ruler, protractor and set square are made of high transparency plastic and comes with precise marking for math and geometry drawing, architectural drawing, engineering designs, mechanical design and construction. A great helper for studying and working.Durable and compact compass case to protect and keep tools in one place in a backpack or desk. This lightweight and waterproof case is easy to carry and store.The math set/geometry tool set designed by experienced math experts with all essential items for teachers and students at any level.Extra durable base material (metal of zinc and alloying elements of aluminum, magnesium, and copper)