CESS Amplifier Terminal Connector Binding Post Banana Plug Jack Socket Panel/Chassis Mount Connectors - Length:1.8" / 45mm (LW) (10 Pack) Binding Post Suitable for 4mm banana plugs Diameter11mm L45mm ( 1.8 inch) Screw Bolt Diameter 2.76mm Package Included 10 Pieces ( 5 Pairs ) Binding Posts