The blade works on the (Algae Free Easy Blade Scraper Attachment)
that fits the following Algae Free magnet cleaners:
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.
A small amount of glue (Superglue) is necessary for assembly of Easy Blade. The glue is not included in the delivery.