The metal ruler is perfect for school, office and home to rule those straight lines. The ruler is made from durable stainless steel and will stand up to the demands of everyday use. It has a hanging hole for easy storage. This elegant, flexible stainless steel 30cm ruler is easy to use as drawing straight edge or measuring device. Has both metric and conventional etched markings. It is made of high-quality steel which makes it durable, strong and a great measuring tool. This ruler features inches on one side, centimeters and millimeters on the other. It has clear and accurate scale so that you can measure your items accurately. This 30cm ruler is a useful measuring tool for artists, designers, architects, engineers, students and so on; suitable for classroom, school, office, home, etc.