Ensure precision in your work with the Stationery Ruler 30cm with Calibration set. This ruler is equipped with clear markings for accurate measurements, making it ideal for various tasks. The package includes 2 pencils, 1 eraser, and a sharpener, providing you with a complete writing and drawing solution. Whether you're a student, artist, or professional, this set offers convenience and functionality in one package. Stay organized and prepared with this versatile stationery set that caters to your everyday needs.