Stanley Works India offers Ultra Sonic Distance Estimator with LCD Screen. Stanley Works India Mechanical Tools, automotive tools, fastening tools, striking tools etc. Ultra Sonic Distance Estimator with LCD Screen is used to measure the distance. The Ultra Sonic Distance Estimator with LCD Screen has an accuracy of 0.5%. It is used to calculate length, area and volume of a particular body. The key feature is the presence of a manual addition mode for unique applications like calculating the parameter of a particular body.