For warranty registration of your product

Kindly Visit: https://warranty.rode.com/ 

Rode Pin-Back-Long Replacement Back Plate Overview:

The Pin-Back-Long is a replacement back plate for use with the PinMic microphone. It comes with a connector cable and features longer pins. This back plate connects through approximately 0.06 to 0.14" (1.50 to 3.50mm) thick clothing and fabric to the microphone capsule head.