SKS Hirschmann Jack, Plugs & Sockets Safety jack socket 629956 - SKS Hirschmann 972358703, The SKS Hirschmann SAB 2640 LK Au is a yellow safety jack socket with a pin diameter of 4 mm, designed for vertical installation. It is a reliable laboratory connector used to ensure secure and safe electrical connections in testing environments. Suitable for 4 mm jack plug applications, it enhances precision and safety in electrical testing and measurement setups. SKS Hirschmann 972358703 Safety Jack Socket 4mm Yellow Vertical 1 piece
