CDVI Security Door Security & Furniture Magnet holder 625500 - CDVI Security F0516000001, The CDVI Security F0516000001 magnet holder is an electromagnetic door lock that provides secure access for doors. This LZ180 model is ideal for use as a front door opener or garden door opener. It is typically used in security applications where reliable door holding is essential. CDVI F0516000001 Magnet Holder L/Z Bracket 180kg(Rectangle. Steel)