Do you want to have professional straight ruler, triangle ruler and protractor set? If so, our drawing geometry math measurement ruler set is carefully prepared for you. Can be applied for home and school using, students and teachers using. You deserve to have it.Feature - Color: Blue-Material:Aluminum Alloy- Size: 16.00X2.40X0.10cm/6.29X0.94X0.04in-Helps you to improve working efficiency and save time with drawing and measurement projects.-The measure ruler drawing tool set can easily meet the teacher's daily teaching drawing needs.-This product is portable and lightweight, you can carry it easily and conveniently in different places.-Made of high-end and reliable material, can be used for long time, very practical for your work and life.-Different measuring ruler gauges to meet various purposes. The scale is clear and easy to read, which is easy to use. Very clear scale number, ensure the accuracy, excellent and useful drawing tool set for you. Convenient to measuring, portable to use, durable and sturdy for student, teacher and painter. All measurement tools are constructed with aluminum alloy, high-visibility, smooth polishing, reliable and useful. Compact size and light weight design, portable for students to carry it for school use. Professional ruler for accuracy scale for easy and quick selection of the desired scale. Compact and light in weight design for easy to carry, sufficient quantity can meet your quantity demands.