Mounting adapter, 1-way or 2-way, flush-mounted, for Keystone Module KMK, break-off support ring for bar version, for covers from electrical installation material manufacturers, black (similar to RAL 9005), - for holding universal modules or Keystone modules (-Data/-Media/-Fibre), - break-off support ring for bar version, - base part for 1-way version included, - support adapter made of die-cast zinc, - metric screws for central pieces, - optimal installation in conjunction with Kaiser Electronic socket (or comparable), - suitable for TAE design covers from the switch industry (Berker, Busch-Jaeger, GIRA, Jung, Merten, etc.)