Plug-in adapter easily converts NATO / Military wiring to Commercial / Civilian wiring and vice versa - Connect your Comtac, MSA Sordin, TCI Hi-threat Liberator, etc. headset to a civilian PTT or mobile phone, or connect a Civilian headset to a military PTT - Standard U-174 / U-93 / Nexus TP-120 / 1/4" plug ends - 8" long - Pocket clip - Made by Armorwerx (a division of The Mercenary Company)