MEAN WELL USA DC-PLUG-P1J-P1I DC Plug Adapter 2.1x5.5x9.5mm Converter - for GST18-60, GSM06-60, GEM06-60, GE12-40, SGA12-60, GS06/15, OWA-60U/E Adaptor with Standard P1J tuning fork plug OD 5.5mm - ID 2.1mm - Length 11mm