TOM TM1239 Aquarium Maintenance Algae Scraper Multi Tool 22 Length. KollerCraft is highly regarded for supplying superior quality innovative pet products and reliable service. This is a durable easy to use algae scraper with a strong handle plus ergonomic grip for comfortable use. These multi-tool scrapers are available in three sizes: 14" 22" and 34". Each size handle comes with three interchangeable attachments this tool takes care of all your tank maintenance needs. For Glass Tanks Only"