- Size: The set includes a straight ruler measuring 30 cm, a triangular ruler with dimensions of 13.5 cm and 18.5 cm, and a protractor that offers a full 180-degree range with a 10 cm diameter. Precision is ensured with an accuracy of 0.1 cm, and the thickness of the rulers is 1.68 mm. - Material: Constructed from durable plastic, this triangular ruler set boasts excellent flexibility, making it lightweight and easy to carry. The semi-transparent colors contribute to enhanced visibility, allowing for clear measurements of objects. - Features: The geometry set is laser-engraved with clear, fade-resistant markings, ensuring that every line and number is easy to read, reducing eye strain during use. - Applications: This drawing and measuring kit is ideal for both professionals and hobbyists. It serves as an essential tool for architects, engineers, and carpenters, providing precise measurements in various settings such as classrooms, offices, or at home. Whether you are drafting plans, conducting measurements, or creating detailed designs, this set meets all your geometric needs efficiently.