Features: High Quality: The binding ppost is made in high quality gold/rhodium plated copper, resistant to oxidation and corrosion. Cable Management: Eliminate the clutter of wiring along your baseboards which results in a clean and tidy installation. Insulation Required: it needs to be paid in attention that gasket shall not be in contact with the plate during the installation process. Flame Retardant: The wall plate and binding post are heating resisting and flame retardant, great for daily safe life. Fine Appearance: The plate is made in aluminum alloy with wire drawing process, bringing you high-end visual treat while enjoying the fine audio performance. Specifications: Material: Plate: Aluminum Alloy Binding Post: Copper Plate Width: 5 mm/0.19 inches Approx. Plate Size: 86x86 mm/3.38x3.38 inches Approx. Plate Type: Two Ports/Four Ports Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Face Plate(Optional) 1 Piece Face Plate with Gold-Plated Binding Post(Optional) 1 Piece Face Plate with Rhodium-Plated Binding Post(Optional)