Black ultra strong neodymium magnetic hook magnetic hook heavy-duty epoxy resin coating compatible for office home kitchen and WD 1.【WIDE APPLICATION】The 100 lbs black magnetic hook is simple to put in and use because of its simple structure.Magnetic hooks also are broadly used in cruise, fridge, kitchen, workplace office, garage, indoor, open air etc. 2.HIGH QUALITY: The powerful magnetic drive is only concentrated at the bottom, The other 3 sides are Protected by means of steel cups that almost no magnetic drive and magnetic pressure resembling 10 occasions the amount of an analogous magnet. pressure permanent, long service life. 3.【SUPERIOR MAGNETS COATED】 Black magnetic hooks heavy duty are covered with three layers of Black epoxy+ Nickel+ Copper, which provides a shiny and rust resistant covered metal cup gives protection for the magnet and supports to forestall chipping or cracking. 4.【CORROSION RESISTANT】The epoxy coating gives a barrier between magnets and deteriorating substances. This allows our black magnetic hooks to be used for an extended time in a definite environment.