• 10-piece math kit designed for geometry students or anyone who wants to carry out math exercises. • Includes 2 metal school compasses, 2 triangles of 45° and 30/60° degrees, 1 ruler of 15.2 cm, 1 protractor of 10.2 cm, 1 pencil for the compass, 1 sharpener, 1 replacement lead, and 1 eraser. • Durable compasses made of solid metal for reliable performance, which do not bend during use; ergonomic head for a comfortable grip. • Comes with a shock-resistant reusable case to store and transport the accessories in an organized, practical, and safe manner.