If you are an architectural designer or students, then you miss our drawing template ruler. Made of PVC material, it is stable and . Easy to operate and use, it is suitable for professional and personal use. You deserve to have one. Features -Color:Transparent -Material:PVC -Size:8.00X8.00X0.10cm/3.14X3.14X0.04in - These versatile math drawing rulers can be used to share them with your family and friends. - Suitable for students usage, architecture, professional applications, engineering, painting, drafting, measurement, etc. - Specially designed for people who need to measure size, draw, design or something, easy to use. - Using these drawing template ruler, you can draw various beautiful and practical patterns. - A wonderful gift for your family, friends and co-workers who need a template ruler. Package list: 5 x Math Functions Rulers