A set of 8 heavy duty insulated speaker binding post terminals suitable for custom amplifier builds or test equipment, and for 4mm binding posts on wall outlet plates in hi-fi and home cinema rooms. They have a high quality gold plated finish plus integrated colour coded isolation washers to allow mounting onto metal panels. They can accept standard 4mm banana plugs or 7mm spade terminals, as well as bare wire up to 3.5mm diameter in the cross-hole. Internal cable connection is via a solder tab.