This is a brand new replica Lucas 6 Volt Altette horn with cast iron body.

Part # HF1234 A, 42-9046, 6 VOLT

Fits: AJS 1945-57, Ariel 1936-55, Brough Superior 1939, BSA 1939-57, Douglas 1947-50, Royal Enfield 1936-57, Matchless 1936-57, Norton 1936-57, Panther 1946-57, Sunbeam 1936-57, Triumph 1938-48, Vincent 1951-54