Uniprep 2. Rotary scraper for pipes from 125 to 500mm. all SDR classes Spring-compensated reversible inserts. Supplied in solid suitcase. Uniprep 2 rotary scraper tool is for all SDR-classified pipes between 125-500mm. The tool has a 4-edge tungsten scraping tip and lightweight die-cast aluminum body construction. It is easy to use with a spring-loaded scraping tip to accommodate irregularly shaped tubes and has excellent performance characteristics. Perfect for pipe sizes 125-500mm 4 sided tungsten blade Lightweight die-cast aluminum body Spring-loaded tip to compensate for ovality on pipes Suitable for all SDR rated pipes 180mm scratch length 0.25mm ± 0.05mm cutting depth