The Algae Free Easy Blade Long Handheld Scraper, 12", will let you clean where magnet cleaners typically will not fit. The large 3.125" metal blade will make easy work of any type of algae on your glass, and the long handle makes it perfect for deep tanks. Total length - 12". Use in tight spaces. Cleans back glass. Comes with steel blade. Sturdy handle. Hanging eyelet.