Locking nut for remote call socket, (where buzzer lead fits in) (pkt 5)

This product, Locking nut for remote call socket, (where buzzer lead fits in) (pkt 5) is available from Heracles. ?Available in black, Grey and White

For more information on Locking nut for remote call socket, (where buzzer lead fits in) (pkt 5) talk to Heracles Ltd