Product MaterialWe made the metal ruler with grade A bakelite , which is reliable in quality, durable, not easy to bend and deform, and can be used repeatedly for a long time. Professional DesignOur metal ruler scales are very clear and easy for you to read and mark.The conversion table is designed so that you do not need to convert again, the conversion is no longer difficult, and your work efficiency is higher. What You Will GetThe package contains 2 rulers, the size is 15cm and 25cm, double-sided design, sufficient quantity and fashionable style, which can fully meet your daily needs. Easy To CarryThe surface of the rulers are smooth with no burr; will not hurt your hands because of the sharp angle.One end is square, the other is rounded with a hole to make it easy for hanging. Widely Applicationhis steel ruler set is a useful measuring tool , great for measurement, painting,Especially ideal for students, engineer, architect, teachers, designers and other professionals. Specification: Material: Grade A bakelite Color: black Size(approx.): 15cm:(L x W x H)16 x 2.5 x 0.3cm/6.3 x0.98 x 0.12 inch 25cm:(L x W x H)26 x 2.5 x 0.3cm/10.24 x0.98 x0.12 inch Package Included: 2 Pcs x rulers(diffrent size) Note: 1.Due to the light and screen difference, the items color may be slightly different from the pictures. 2.Please allow 1-2 cm differences due to manual measurement.