SUPER STRONG This fishing magnets is 475 inch120 mm in diameter adopt strong neodymium magnet for its base It can offer 1280lbs580kg pulling strength under ideal condition HIGH QUALITY Our triple layered Nickel plated coating drastically helps prevent rust and corrosion Designed to protect your magnet from chipping or cracking while maintaining maximum holding power Eyebolt is larger and has a higher load capacity giving you more options to customize your retrieving method and usage Made under ISO 9001 Quality Systems BEST COATING NiCuNi 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 MULTIPLE USES Unique design with Countersunk Hole and Eyebolt Great for salvaged of various ironcontainning 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 PERMANENT STRENGTH Neodymium is a kind of rare earth metal its suitable for making permanent powerful magnets This fishing magnet has permanent magnetism it will be the same powerful even decades after