This product is made of good material, practical and to use, which is suitable for measurement use. This ruler can help students standardize drawing. It can be applied for home and office using, students and teachers using. It is very convenient to use and accurate measurement. Features -Material: Plastic -Suitable for architecture, professional applications, civil engineering, painting, drafting, technical illustration, measurement, etc. -Specially designed for people who need to measure size, draw, design or something. -Using these rulers you can paint various beautiful and practical patterns like ellipse, circles, etc. -A wonderful your family, friends and co-workers who template ruler. -It is manufactured with , ensure its durability and practicability. Package list: 1 x intermediate ruler 1 x protractor