Keystone Faceplates and Frames are hardware products with a number of panel mount openings and sizes that are used to hold connectors. The characteristics are style, type, number of ports, port direction, and for use with/related products. The types are faceplate, faceplate extender, faceplate frame, frame, modular faceplate, modular insert, modular mounting frame, modular frame (106 duplex), and mounting box.