DIYMAG brand neodymium magnets for science, innovation, engineering, and industry. We specialize in providing strong high-quality neodymium-iron-boron (NdFeB) magnets. Our neodymium magnets are made with the world’s most advanced magnetic materials. We only sell new rare earth magnets produced under license to the highest standards.SUPER POWERFUL – This fishing magnets is 48 mm in diameter, adopt strong neodymium magnet for its base. It can offer 270 lbs pulling strength under ideal condition. HIGH QUALITY – The powerful magnetic force is only concentrated at the bottom, The other three sides are Protected by steel cups that almost no magnetic force and magnetic force equivalent to 10 times the volume of the same magnet. force permanent, long service life. BEST COATING – Ni+Cu+Ni Triple Layer Coated. The Best Coating Available, which Provides a Shiny and Rust Resistant Coated steel cup provides protection for the magnet and helps to prevent chipping or cracking. MULTI USE – Unique design with Countersunk Hole and Eyebolt Great for salvaged of various iron-containning nickel material underwater and Good idea for magnet fishing, lifting, hanging, retrieving applications. Have fun to searching items like eyebolt, screws, hooks, fasteners and so on in your warehouse garage or yard. Quality Guaranteed:Made under ISO 9001 Quality Systems. The Highest Quality Available! 30 Days Money Back Guaranteed!