Profigold PGA8114 gold plated 4mm banana plugs. Supplied as a pack of four two with red bodies and two with black. 24k hard gold plated contacts accepts cable up to 4mm diameter.
Profigold PGA8103 solid metal gold plated 4mm banana plugs. Supplied as a pack of four two with red markings and two with black. 24k hard gold plated hole to accept another 4mm plug. Also suitable for biwiring. Accepts cable up to 10mm diameter.