Dremel 2" Dual Interface Universal Flexible Scraper Blade is compatible with Dremel, Bosch, Makita, Milwaukee, Rockwell, DeWalt, Fein, Porter Cable, Ridgid, and allows fast accessory changes. Used for removal of soft materials such as caulk in hard to reach areas. Make sure the blade is flexed during the scraping process. A 30 degree to 45 degree pitch is recommended. Dremel oscillating multi-tools and accessories offer Novice to Pro home renovators the solutions to tackle any project both inside and outside the home. Known for versatility, Dremel oscillating is limitless in application : cut, sand, grind, scrape, plus remove grout and rust.