The Bolt 6 Color Bands from Teradek are designed for the Bolt 6 Transmitters and Receivers. They fit atop of your Bolt TX and RX so as to help differentiate which units are paired together. The LT Kit includes Bolt 6 LT TX Color Band (Red Rubber) Bolt 6 LT TX Color Band (Yellow Rubber) Bolt 6 LT TX Color Band (Green Rubber) Bolt 6 LT TX Color Band (Blue Rubber) Bolt 6 LT RX Color Band (Red Rubber) Bolt 6 LT RX Color Band (Yellow Rubber) Bolt 6 LT RX Color Band (Green Rubber) Bolt 6 LT RX Color Band (Blue Rubber)