90?? curve for Defender Office The 4-channel Defender Office meets all expectations and guidelines for professional cable protection, whether in offices, in your conference room or at your trade fair booth. You can adapt the length of the cable channel, as well as the 90?? bend, to your individual needs at any time. For ideal fastening, you can screw down the Defender Office using the pre-drilled holes or glue it in place thanks to the smooth underside.