If you are a teacher or student, you won't want to miss this drawing measurement ruler set. Made of brass material, it is durable and corrosion-resistant. Easy to operate and simple to use, it is suitable for professional and personal use. Features - Color: Golden - Material: Brass - Size: 10.10 x 5.70 x 0.15 cm / 3.97 x 2.24 x 0.06 inch (protractor) 14.00 x 6.20 x 0.15 cm / 5.51 x 2.44 x 0.06 inch (triangle ruler) 13.00 x 3.00 x 0.10 cm / 5.11 x 1.18 x 0.04 inch (straightedge) - Very clear scale markings ensure accuracy, making it an excellent and useful drawing tool set - Professional-grade protractor with precise scale for easy and quick measurement selection - Convenient for measuring, portable to use, and sturdy for students, teachers, and professionals - Measurement tools are constructed with brass, featuring high visibility, smooth polishing, reliable performance, and long-lasting use - Compact size and lightweight design make it easy for students to carry for school use Package List 1 x Straightedge 1 x Triangle Ruler 1 x Protractor