Motorola, DRing Style Ear Piece, With Clip On In Line Push To Talk Microphone, Can Be Worn On Either Ear, Works With Motorola CLS, RM, RD, DLR, DTR, XTN MSeries Business 2 Way Radios.
Simply and quickly place the correct size diameter adaptor into the drum holder to reduce the grip diameter to match drums smaller than a standard 22.5"-22" diameter drum this handy accessory allows your morse drum handler to handle various smaller drums.