Threaded collar used to connect 50 amp products together. 1-1/4" long
30 Amp Threaded Collar Ring - 95021
Threaded Collar for 30 amp Cords and Adapters or Pigtails - 95007
50 Amp Threaded Collar Ring - 95038
125/250v 50a Female Replacement Cord End, Marinco 6364CRN
Shore Power Cord Boot 50a Replacement Weather Resistant Cover, Yellow