Vktech 86x86mm Speaker 4 Binding Post Banana Jack Wall Face Plate Panel White There are four audio binding posts for speaker The 4 Binding Post are screw type and suitable for binding wire directly or inserting a banana male plug for wire connecting This wall plate is designed for any installation that requires running wires in the walls Material: Plastic with gold plated connectors Dimensions: Approx. 86 x 86mm (L*W)