This is a Custom Made Lanyard designed to be used with the Garmin Alpha and Astro.  It is made of Parachute Cord in the Garmin colors of Orange & Gray.  Easy to add whistles and calls to.  It has two disconnects and connects to the Garmin with a cell phone loop.  We are a Telemetry Company that takes in trades.  We repair/replace batteries in beep beep collars and build our West Coast Telemetry Tracking Collars and our Tag-A-Longs to match your system.  The Tag-A-Longs slide right on your GPS collars to make the best of both worlds.    West Coast Telemetry FREE shipping in USA only!