Top Stage 5/16" Ring-type Lapel/Lavalier Microphone Tie Clip, 2-Pack (Black) GMH01-Q2 Top Stage Tie clip for lapel / lavalier microphone. Pack of 2. fits lapel / lavalier microphones with a neck diameter of 5/16" or 3.5mm. good fit for Pearstone OLM-10 or Omnidirectional . Metal construction Compatible with major brands including Samson, Nady, Shure, Audio-Technica, Hisonic & more 90-day warranty