The Sennheiser EW-D COLOR CODING SET are sets of magnetic color indicators for the EW-D SK bodypack transmitters, EW-D SKM handheld transmitters, and EW-D EM wireless receivers for identification purposes. Includes (1) EW-D SK COLOR CODING set (16 pcs), (1) EW-D SKM COLOR CODING set (16 pcs), and (1) EW-D EM COLOR CODING set (16 pcs)