Features: 1.Comprehensive Cleaning: Fish tank glass cleaner adopts double headed scraper, comprehensive cleaning, excellent scraping effect, with 2 carbon fiber scrapers. 2.Self Floating Function: Magnetic aquarium scraper with self floating function, suspended without sinking to the bottom, can be easily used in all corners. 3.Comfortable Grip: The aquarium magnetic cleaner features an ergonomic hand grip shape, frosted texture and non slip design. 4.Double Sided Brush: Inner brush sealed hollow design, hard bristles durable and unchanging shape, easy to remove algae, outer brush soft bristles do not hurt the tank wall. 5.Strong Magnetic Suction: Glass fish tank megnet brush uses 4X strong magnetic suction, ten years without demagnetization, durable scraper, a scrape that is clean. Specification: Item Type: Aquarium Magnetic Cleaner Material: Plastic, Neodymium Magnet Size: Approx. 62x150x80mm / 2.4x5.9x3.1in Applicable Fish Tank: within 120cm/47.2in Applicable Tank Wall Thickness: within 8mm/0.3in Use: Fish Tank Magnetic Brush PackageList: 1 x Magnetic Brushs 2 xScrapers 2 x Carbon FiberScrapers Note 1. Pacemaker wearers are forbidden to approach! 2. Please do not use this product for acrylic, plastic crystal and super white fish tank! 3.Magnetic brush magnetic powerful, please do not force break open cause accidental injury, separate the magnetic brush need to twist 90 . 4. Please allow some errors due to manual measurement.