Description Do you want to have professional triangle ruler protractor? If so, our drawing geometry math measurement ruler set is carefully prepared for you. Can be applied for home and office using, students and teachers using. You deserve to have it. Features -Color: Golden -Material: Brass -Size(Triangle Ruler): 12.20X7.10X0.20cm/4.79X2.79X0.08in -Size(Protractor): 5.70X10.20cmX0.19cm/2.24X4.01X0.07in -Made of premium and wear-resistant brass material, it is sturdy, durable and practical. -The scale is accurate, not easy to wear, beautiful and durable, and the surface is not easy to reflect light. -Designed the features of lightweight, compact straight ruler is portable and easy to carry. -It can be used in drawing, straight cutting, graphic design, teaching, engineering and other fields. -It is very convenient for engineering and mechanics, and it is also very suitable for students to paint. Made of premium and wear-resistant brass material, it is sturdy, durable and practical. The scale is accurate, not easy to wear, beautiful and durable, and the surface is not easy to reflect light. Designed the features of lightweight, compact straight ruler is portable and easy to carry. It can be used in drawing, straight cutting, graphic design, teaching, engineering and other fields. It is very convenient for engineering and mechanics, and it is also very suitable for students to paint.