Be confident in your purchase we're an Authorized D-D Dealer. How cool is that?!?!? Features: - New Dual Blade Design For More Efficient Cleaning! - Interchangeable Stainless Steel and Plastic Blades for Stubborn Algae Removal and Safer Scraping Near Silicone. - New 316 Stainless Steel Blade Has a More Precise Edge Design for Flawless Scraping. - Reversible Blades Give you Twice the Normal Blade Life! - New Acrylic Safe Plastic Blades with the Option to Use a Flat or Serrated Edge. - Includes (2) Stainless Steel (2) Acrylic Safe Plastic Blades. - Custom Cut Your Own Blades Using Old Gift / Credit Cards. - FLOATS to the Surface if the Cleaner Ever Becomes Disconnected. - Ergonomic GRIP/FLIP Handle for Easy FL!PPING from Scrubber to Scraper. - Made with Rare Earth Magnets for Incredible Cleaning Strength and Durability. - Cleans Even the Most Stubborn Coralline Algae. FLOAT. FL!P. SCRUB. SCRAPE. Now with TWICE the cleaning power! Flipper Edge Standard Float Magnetic Algae Cleaner , now with dual blades, FL!PS from Scrubber to Scraper simply by rotating its handle. Complete aquarium cleaning without ever getting your hands wet! A "must-have" cleaning tool for advanced aquarium hobbyists and maintenance professionals!