Description Keystone Jack – HDMI Female to Female HDMI keystone jack. To be used with any of our range of key stone wall plates. Keystone wall plates make it possible for you to have a fully customisable wall plate based on your system requirements. From a single sized wall plate to sizes that are able to take up to 12 different keystone jacks, these wall plates will accommodate any a/v system. This adaptability means less wall plates, less clutter and tidier wiring.
