Tetra-Teknica LPCLP-2P 5/16" Ring-type Lapel / Lavalier Microphone Tie Clip, 2-Pack (Black) Tie clip for lapel / lavalier microphone fits lapel / lavalier microphones with a neck diameter of 5/16" Metal construction Compatible with major brands including Samson, Nady, Shure, Audio-Technica, Hisonic & more 90-day warranty