German 15cm (5.9in) SKC/28 barrels (12pcs) - Used in Bismark/Bismarck , Tirpitz, Battleship Scharnhorst and DKM GNEISENAU battleships. (designed to be used with Dragon, Revell and Trumpeter kits) The set includes turned brass barrels. It is very simple to use in Your model, and makes it extremely realistic. Simply cut off the original plastic barrel and drill a hole in the remaining part and insert the metal barrel using Cyanoacrylate adhesives.