Unger’s all purpose scraper blades are dual sided for increased versatility. Use the sharp side on windows and blunt side on floors. Made of stainless steel, these scraper blades are rust-resistant and durable. Use them exclusively with Unger’s all purpose scraper.Scrapes any hard to remove, stuck-on substance from windows and floorsUse the sharp side on windows and blunt side on floorsMade of rust-resistant stainless steelFor use exclusively with Unger’s all purpose scraper