About this item ?【Much Stronger Neodymium Cup Magnet】:A3-layer coating of "nickel + copper + nickel" is combined on the steel base. It has excellent cleaning capacity and greatly reduces residual dust and foreign bodies, it achieves low costs and high functionality. It offers significantly high resistance to moisture, salt water and electrical insulation. It also exhibits outstanding resistance to heat. Maintenance-free and rust-free! ?【Multi-Use of Power Magnet with Male Thread Stud】:#1/4"-20 male thread Stud,directly screw into the threaded hole of the fixed body or putting through a hole and fastening with a nut to attach any hardware assembly.Great for camera,video,display panel,automatic equipment,tools and machines. ?【Non-Shattering Strong Neodymium Magnets】:The outer iron shell of this neodymium disc magnets can effectively protect the inner NdFeB magnets,and at the same time,the anti-rust and anti-corrosion function makes it more beautiful and durable in daily use. ?【Package Includes of Rare Earth Magnets】: This neodymium cup magnet uses a new color outer box,the product mainly contains 2pcs magnet base ?[Best After-sale Service]:Awesome gifts for your father!All Mutuactor Neodymium Cup Magnets come with well after-sale service.If you find any defective or any other problems during use,please feel free to contact us.Our Customer Service Executive will be at your disposal and willing to solve your problems faithfully.