![Carbon Dimensions](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Only 0.1 oz (3.8 g) ultra-lightweight carbon fiber ruler.
Carbon is Carbon Fiber Reinforced Plastics.Compared to iron, it is about 10 times stronger than a quarter of its specific gravity"Light, strong and corrosion resistant" 21st century high-tech material.Due to its characteristics, it is widely used in aircraft, racing cars, and sports fields.Once you hold the TREVIEWER carbon ruler in your hand, you will be impressed with its light weight and strength.