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 precise. 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; excellent and useful drawing tool set - Professional-grade protractor with highly accurate scale for easy and quick measurement selection - Convenient for measuring, portable to carry, and sturdy construction ideal for students, teachers, and professionals - Measurement tools are made of brass, featuring high visibility, smooth polishing, reliable performance, and long-lasting use - Compact size and lightweight design make it easy for students to carry to school Package List: 1 x Straightedge 1 x Triangle Ruler 1 x Protractor