Lock Ring Kit - Heavy Duty Armatures; "354","355","358","359","360","362"."363" "364",366","367" & "368" DD (16363, 16364, 16365, 16445, 16558, 16559, 16560, 16563, 16567, 16610, 16615, 16673, 16715, 16753, 16754, 16777, 16779, 16785, 16949, 16957, 16999, 17045, 17073, 17074, 17075, 17076, 17077, 17078, 17092, 17093, 17095, 17105, 17106, 17112, 17114, 17136, 17159, 17184, 17229, 17230, 17232, 17258, 17307, 17308, 17318, 18023, 18024, 18026, 18027, 18029, 18030, 18031, 18032, 18035, 18046, 18114, 18120, 18121, 18122, 18236, 18237, 18251, 18254, 18259, 18370, 18371, 18372, 18385, 18461, 18474, 18480, 18942, 19155, 19674, 30092, 30115, 30121, 32302)