10 Piece Geometry Kit Set includes: 2 Metal Study Compasses, 2 Triangles (45/30/60), 6" Ruler, 4" Protractor, Pencil for Compass, Pencil Sharpener, Eraser, Pencil Lead Refill A Practical Compass Geometry Set: Metal compasses will not bend, Ergonomically designed compass head is comfortable to hold, Universal Holder Compass work with any standard sized pencil or pen A Good Choice for Teachers and Students: Easy to take to class and to store in the classroom and at home. Just choose it as school season gift or Christmas gift. Suitable for children age 6 and up Practical Tools: A good Geometry Set for teachers and students, math experts, architects, engineers, artists, designers at any level Easy to carry: The set comes in a compact, hard-shell case that keeps all the pieces securely in place, ideal for students on the move and for keeping your desk neatly organized