About this item Screw In Wire or Insert Banana Plug. Screw type binding post with adjustable thumb screws can accept banana plugs or 12 to 18AWG bare wire for quick connection. The banana keystone inserts are designed to easily snap in, with a retaining clip ensuring a secure and non-corrosive connection, and can be removed for future upgrades. Speaker wall outlet includes a faceplate that meets building specifications for low combustion wall outlets with flame-resistant, UL Listed ABS plastic construction. The wall plate with traditional design fits any standard outlet or flush mount bracket. The wall plate is the perfect finishing touch for your home and office decorating projects. Includes matching mounting screws. Product dimensions: 6.42 x 3.82 x 1.26 inches.