Feature: 1. CARBON FIBER SCRAPER: Aquarium magnetic brush has a double headed scraper, comprehensive cleaning, extra with carbon fiber scraper, hard, durable. 2. SUSPEND: Aquarium magnetic scraper has a sealed hollow design inside the brush, so it will not sink after removing the brush. 3. POWERFUL MAGNETIC: Magnetic algae scraper has 4X powerful magnetic, strong magnetic suction can be ten years without demagnetization. 4. ERGONOMICS: Fish tank cleaner magnetic brush with ergonomic hand grip shape, frosted texture, non slip design, save your effort. 5. NO HARM TO FISH TANK: Inner brush hard bristles durable and unchanging shape, easy to remove algae, outer brush soft bristles will not hurt the tank wall. Specification: Item Type: Aquarium Magnetic Brush Material: Plastic, Neodymium Magnet Applicable Fish Tank Length: Approx. 80cm/2.6ft Or Less Applicable Tank Wall Thickness: ≤6MM/0.24in Size: Approx. 50x135x75mm / 2.0x5.3x3.0in. Package List: 1 x Aquarium Magnetic Brush2 x Scraper2 x Carbon Fiber Scraper 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 strong, please do not force break open cause accidental injury, separate magnetic brush need to twist open 90 degrees. 4. All data are measured manually, and there are certain errors in the measurement results.