The Halder Blue Magnetic Holder consists of six neodymium magnets with a tremendous holding force that is easy to attach to virtually any magnetic surface. The rubber-encased magnet prevents scratches and is oil-resistant. The special shape providdes for dual-use zones and keeps the attached items from slipping/sliding off inadvertently. It can hold of a variety of items such as electrical cords, ear protection, and air hoses. It is great for the shop, garage, or at home.