3 16 to 1 4 brake line adaptor July 8, 2019 16 32 64 128 3 16 to 1 4 brake line adapter 3 16 to 1 4 brake line adapter napa 3 16 to 1 4 inch brake line adapter 3 16 x 1 4 brake line adapter 3 16 male to 1 4 female brake line adapter