Package Includes: come with 2 sets of green math geometry kits with shatterproof storage box, each set contains 6 inch ruler x 1, triangle ruler x 2 (45& 30/60), 4 inch protractor x 1, metal compasses x 2, pencil x 1, pencil sharpener x 1, lead refills x 1, eraser x 1, total 10 pieces for school office home needs Practical Compasses Set: 2 different style compasses can satisfy most needs of drawing circle, metal compass is sturdy and durable, not easy to bend or break during use, and the ergonomically designed top of the compass can provide a comfortable grip for easy control, the related accessories such as pencil, lead refills and eraser make it more convenient for you to use Transparent Rulers: the ruler, triangles, protractor are made of plastic material, translucent color allows for a clear view of numbers and letters on the page; With the clear mathematics ruler, you can measure an object easily Easy to Carry: student compass geometry kit is designed with shatterproof storage box for easy storage of tools; The box has a compact size, and there is a hook on its top, which can be hung and stored without taking up too much space Wide application: math geometry tool set are useful tools which can be applied at home, school and office for architects, engineers, artists, designers, students, teacher and so on