Compatible with any standard size keystone jack. They are made of durable plastic for a long life. These ivory single gang Keystone wall plates features spaces for up to 2 keystones. You can mix and match keystones to create any combination of connections at the point of entry in a clean professional manner. Common usage may include networking, home theater, audio/video systems, projectors and general work areas. The wall plate does the job of allowing for easy interchange of connections and aesthetics.