Brand New 7 way Electric Trailer Socket 7-Way split pin receptacle SAE-J560. Ref 78862, 38502, 179.1017. Compatible With: Midwest WA15-720, Automann 179.1017, EL720, Velvac 593083, Compatible With: Keene K23703, Buyers TC1007, Phillips 15-720, Sloan 421119, Compatible With: Tramec 38497, Newstar S-18362, 15720, Bendix 23703, International 2030455C1, Compatible With: Mack 347SG13, Peterbilt PE2720, 67072, 421015.