[Practical Compass Geometry Set] - Includes 2 blue metal compasses, 2 triangles (45 and 30/60), a 6-inch ruler, a 4-inch protractor, a pencil sharpener, an eraser, a pencil lead and a shatter-proof storage box.[Multi-functional Practical Tool] - Durable metal will not bend or warp during use. The universal bracket compass can be used with any standard-sized pencil or pen. Rulers, triangles and protractors have scales for easy identification.[Easy to carry and store] - A math set for geometric shapes, featuring a durable plastic casing for protecting and storing tools in one place on a backpack or table. This ruler set is easy to carry and store, suitable for schools, offices, homes or working outside.[A Great Choice for teachers and Students] - This toolset is ideal for students, teachers, math experts, architects, engineers, artists, and designers of all levels. It is also a perfect gift for your children and friends, easy to take to class and store in the classroom. Just choose it as a school season gift or a Christmas present.