Product Name: A 30 cm ruler of Total Country: China Manufacturer: TOTAL Product Description: The ruler is made of durable aluminum, which makes it able to withstand severe use and lasts long. The ruler is characterized by a thin and lightweight design, which makes it comfortable for daily use, easy to carry and storage. The one side of the ruler has an inch and another by centimeter to cover many different units. The ruler includes signs of different angles such as sharp, straight and curved angles for easy measurement and drawing. The ruler is used in many areas such as drawing, engineering, handicrafts and more. The ruler can be used to measure the different lengths, width and sizes with high accuracy. Technical specifications