The RUBI SCRAPER 120V, also known as the RUBISCRAPER-250, is a professional electric grout removal tool designed to eliminate cement-based grout joints quickly and safely without damaging ceramic tiles. Unlike oscillating tools or grinders that work by friction, this tool uses a patented back-and-forth oscillating motion with tungsten carbide blades to literally "tear" out grout, significantly reducing dust generation and the risk of chipping tiles.