This is our heavy-duty Z-series component 8-pin upper- section right-angle hook-up cord. It may also be used as a replacement for the 8-pin upper- section hook-up cord that is included with all J&M® Elite Series headset #s HS-ECD629, HS-ICD629, HS- ECD584, HS-ICD584, HS-ECD477, HS-ICD477, HS- ECD374, HS-ECD271 and HS-ECD269. This cord part# HC-ZAL supersedes the previous part#s HC-AAL and HC-AA as they are all interchangeable.