The FEIN Starlock Flexible 165 scraper blade removes silicone or acrylic caulks with ease. The flexible design allows the blade to adapt the angle of work to the surface. The Flexible 165 scraper blade also works well to remove stickers. Featuring the Starlock mounting system, the Flexible 165 scraper blade fits every popular multifunction tool on the market. Even if you don’t own a FEIN oscillating multi-tool, you can affordably upgrade output by choosing a FEIN Starlock accessory. FEIN originated the oscillating tool and is proud to offer innovative and durable accessories that achieve ultimate performance.