Keystone Inserts are connectors of different styles or the same styles that snap into a wall plate to allow connection of an external cable into the wall run cables. The styles include audio, audio/video, banana, barrel/coaxial, coaxial/RF, d-sub, fiber optic, modular, USB, or video with exterior type being banana jack, binding post, BNC, D-Sub, DisplayPort, F-Type, HDMI, LC duplex, modular jack, MT-RJ, phone, RCA, RJ45, S-video, SC duplex/simplex, speaker post, ST simplex, USB, VF-45, or 3.5mm Stereo jack.