Blade attachment/accessory for Algae Free Magnets: Piranha Float, Hammerhead Float, Tiger Shark Float and the Great White from Algae Free. Also for (Size L) Mag Float, Zoo Zajac, JBL, Amtra and Papillon. The Scraper Blades are NOT included. A small amount of glue (Superglue) is necessary for assembly of Easy Blade. The glue is not included in the delivery.