The RK143G from Shure is a replacement grille for the Shure SM58 wired microphone and SM58 wireless handheld transmitters (sold separately).
Shure RK143G Features
- Replacement for SM58 wired mic or SM58 wireless transmitter
- RK143G Replacement Microphone Grille1
- CompatibilityGrille is compatible for Shure's SM58 wired mic or wireless transmitter