Keystone Jack - Banana Jack w/Red Ring (Ivory) Keystone Jack to be used with Keystone wall plates or panels. Matches ivory wall plates. Red plastic color code ring. Front accepts banana plugs, spades or bare wire. Keystone jacks and wall plates are used to create a cleaner, less cluttered media room when running wiring in-wall. Banana plugs and jacks are used to terminate speaker wires. *The color indicated can vary in tone and/or hue between production runs and manufacturing facilities. The color of this item may not be an exact match to any other product, even if they are indicated as being the same color, whether sold by Monoprice or any other vendor. Individual pieces may also vary very slightly in color from each other.