Diablo's Starlock HCS oscillating scraper set delivers high-performance removal of soft and hard adhesives. This set includes two durable, HCS blades for flexible and ridged scraping. The flexible design removes soft adhesives while the ridge design removes hard adhesives. The unique design of the blade body allows for easy access in hard to reach areas. tool-free quick change interface fits Fein and other Starlock tools; also compatible with most non-Starlock multi-tools.