Brother P-touch Pro Tapes are built with tough and durable professional grade materials and adhesives. Primarily designed for long term reliable identification of CAT5e/CAT6/CAT6A networking cables that have a diameter of 3.0 to 10.4mm. This self-laminating labelling tape has been rigorously tested by Brother to ensure you can print ID labels quickly and efficiently. The TZe-SL661 provides a protective layer over the printed area for cable marking. ensuring your future identification needs are reliably met. Part of the Brother Pro Tape range. this self-laminating tape is compatible with selected models of professional P-touch label printers ensuring you can print ID labels quickly and efficiently.Compatible Printers: Brother P-Touch 550. Brother P-Touch 3600. Brother P-Touch RL 700 S. Brother P-Touch 9500 PC. Brother P-Touch PT-P 950 NW. Brother P-Touch PT-P 900 Wc. Brother P-Touch Cube Pro PT-P 910 BT. Brother P-Touch 9200 Series. Brother P-Touch 9600. Brother P-Touch Cube Pro E 920 BT. Brother P-Touch 9400. Brother P-Touch D 800 W. Brother P-Touch 9200 PC. Brother P-Touch PT-P 900 W. Brother P-Touch 9800 PCN. Brother P-Touch PT-P 900 Series. Brother P-Touch PT-P 900 NW. Brother P-Touch 9700 PC. Brother P-Touch 9200 DX