If you are a teacher or student, you will appreciate our drawing measurement ruler set. Made of brass material, it is durable and precise. Easy to operate and simple to use, it is suitable for professional and personal use. Features - Color: Golden. - Material: Brass. - Size: 10.10X5.70X0.15cm/3.97X2.24X0.06inch (protractor); 14.00X6.20X0.15 cm/5.51X2.44X0.06 inch (triangle ruler); 13.00X3.00X0.10 cm/5.11X1.18X0.04 inch (straightedge). - Very clear scale number, ensures accuracy, excellent and useful drawing tool set. - Professional grade with super accurate protractor scale for easy and quick selection of the desired scale. - Convenient for measuring, portable to use, and sturdy for students, teachers, and professionals. Measurement tools are constructed with brass, high-visibility, smooth polishing, reliable and useful. - Compact size and lightweight, portable for students to carry for school use. Package list: 1 x straightedge 1 x triangle ruler 1 x protractor