【WIDE APPLICATION】The 110 lbs magnetic hook is easy to install and use because of its simple structure.Magnetic hooks also are widely used in cruise, fridge, kitchen, workplace office, garage, indoor, outdoor etc..【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. Heavy duty black metal magnetic hooks, strong magnetism lasts forever!.【SUPERIOR MAGNETS COATED】 magnetic hooks heavy duty are coated with three layers of Black epoxy+ Nickel+ Copper, which provides a shiny and rust resistant coated steel cup provides protection for the magnet and helps to prevent chipping or cracking..【CORROSION RESISTANT】The epoxy coating provides a barrier between magnets and deteriorating substances. This allows our magnetic hooks to be used for a longer time in a certain environment..【PROFESSIONAL SERVICE】We are a magnet supplier with professional strength. You can certainly find magnetic hooks you want in my shop! If you need mass customization of black magnetic hooks, contact us and we can meet your needs.