FT BLK METAL CAT5e RJ45 M3 – Cliff CP30220M3B, The Cliff CP30220M3B UTP Cat5e RJ45 to RJ45 feed through data connector with black metal frame, fits into cut-outs for the industry-standard XLR connector format and features threaded M3 mounting holes, facilitating simple panel assembly, without the need for securing nuts and washers.One connector supplied only. Cliff CP30220M3B Cat5e RJ45 feedthrough connector,black metal frame, M3 holes