Lucas pattern headlight dip switch and horn button, screw onto handlebars. Chromed , suits 7/8in bars. Original part numbers: Lucas 31563; 31405 31563A, 31563D:19-0706, 190706; 99-0555; 990555; 31405; 19-0709; 190709; 022548 - suits Norton, AJS, Matchless 1956 +, Triumph
