Introduction Sharp-Razor (SR) Non-rotating Casing Scraper used for wellbore cleanup and casing scraping operations, with the new-generation improvement in integral blade design, it is more effective, more robust and safer for most complex wellbore condition. Features Non-rotating, 360° coverage, self centralizing metal-bladed lantern. Integral blade manufactured from a single billet, one piece mandrel. Optional mill ring for cement removing request. Available with all API and premium drill pipe connections. Easy to replace the blade cage.