Features: 1.[Ergonomic Design] Aquarium magnetic brush with ergonomic hand grip shape, frosted texture, non slip design, lasting use of the wrist without fatigue. 2.[Efficient And Labor Saving] Fish tank magnetic brush with double headed scraper, comprehensive cleaning, durable and more labor saving. 3.[Premium Bristles] Aquarium magnetic brush cleaner inner brush with hard bristles, not deformed, easy to remove algae, outer brush with soft bristles do not hurt tank wall. 4.[Self Floating] Fish tank glass cleaner ten years without demagnetization, the inner brush airtight hollow design, self floating not sink, can easily use in all corners. 5.[4X Strong Magnetism] Aquarium magnetic brush is powerful, please do not forcefully break open to cause accidental injury, separate need to twist open 90. Specification: Item Type: Aquarium Magnetic Brush_x000D_ Material: Plastic, Neodymium Magnet_x000D_ Size: Approx. 150 x 62 x 80mm / 5.9 x 2.4 x 3.1in_x000D_ Use: Fish Tank Magnetic Brush_x000D_ Applicable Fish Tank: Within 120cm/47.2in_x000D_ Applicable Tank Wall Thickness: 8mm/0.31in PackageList: 1 x_x000D_ _x000D_ AquariumMagneticBrush 2 x Scraper Note 1. Pacemaker wearers are prohibited to approach._x000D_ 2. Do not use this product for acrylic, plastic crystal and super white fish tank._x000D_ 3. Manual measurement, please allow some errors.