Use to Connect Computer, Audio, Video, and Telephone Connections on One Wall Plate. Vanco's Multi-Media Keystone Wall Plates hold various Multi-media Inserts for Custom Installations. Great solution for Connecting Computer, Audio, Video, and Telephone Connections on one wall plate. The cutouts comply with the universal measurements of .58” x .76” making them fully compatible with Leviton, ICC, Allen Tel and Many Other. These plates fit Standard Electrical J-box or Low Voltage Mounting Brackets and include color mounting screws. All Vanco Multi-Media Keystone Wall Plates are UL Listed