We are offering high quality 130 Roughness Comparison Specimens that are used for industrial and commercial applications. The offered specimens are suitable for research purposes and comparison of roughness of a surface. They are suitable for laboratory work and are highly accurate. They are very efficient and have high end accuracy. The specimens are stored in a safe environment and are very highly used in industrial works. The 130 Roughness Comparison Specimens are very useful and made available in gray and black color.