Monacor BP-260G Speaker Binding Posts.
These high quality binding posts are designed for mounting on metal (or plastic) panels of up to 6mm thickness. They feature a polished gold plated brass body with a knurled clamping screw and are supplied with insulating washers.
They accept bare wire (up to 5mm), forked terminals and 4mm banana plugs.
Supplied / priced as pairs.