- Faber-Castell geometric triangle model 171010 with a hypotenuse of 22 cm - Equipped with an ergonomic handle and non-slip bumps for greater control - 10 mm grid that allows for precise measurements and drawings - Integrated protractor to facilitate drawing and measuring angles - Matte surface with low reflection that reduces eye strain - Clear markings and layout for intuitive and efficient use - Ideal for math classes, technical drawing, and office work - Resistant and durable product, designed for frequent use - Well-known brand in the stationery and school supplies sector