Selected high quality natural pine wood for our measuring ruler, which ensures well treated smooth, durable to use and not easily broken. The textures on each ruler are different. There has two scales for our wooden school rulers, one side is inch scale (12 inches) and the other side is a centimeter scale(30 cm). Both inches and centimeters for conversion. Straightedge with double bevel design makes the wooden measuring ruler more convenient to read the scale clearly and accurately. Our wooden student ruler can help to measure items and architectural drawing accurately, suitable for school, student, home, office painting, measuring precision length and more.