The adapter allows a titan master nightbeat to be used on generations nightbeat. this adapter fits in the swivel joint where generations nightbeats defaut head is normally attached. this adapter should fit all verions of this mold and work for all titan masters. To install this piece just remove the 2 screws from nightbeats shoulders and pull the hood windheild assembly off the center post slider. remove nightbeats head and slide the adapter in place. reassemble and bam instant head master body.