Be confident in your purchase we're an Authorized Flipper Dealer. How cool is that?!?!? Features: For use in the Flipper Nano Nano Float Magnetic Cleaners on glass tanks up to (6mm) thickness Includes two stainless steel replacement blades Complete cleaning without ever getting your hands wet! Two stainless steel replacement blades to be used in the Flipper Nano Magnetic Aquarium Algae Cleaner on glass tanks up to 1/4" (6mm) thickness. Compatible with original Flipper Cleaner and the Nano Float Magnet. These stainless steel replacement scraper blades are designed with an ultra low profile making it easy to clean the hard to reach areas of the tank! Blades are interchangeable and replaceable.