DIYMAG 8 Pack Strong Neodymium Bar Magnets，Powerful Rare 40x10x5mm, Silver
Manufacturer : DIYMAG. 【DIYMAG COATED MAGNETS】Our neodymium bar magnets use Ni+Cu+Ni three-layer coating, The Best Coating Available, which Provides a Shiny and Rust Resistant Protection for the Magnets.