This is a set of nine(9) CNC turned B&D Barrels brass gun barrels to replace the 12in/45 main guns of the 1/350th scale kit of the WWII battlecruiser USS Alaska by HobbyBoss. Replace the out of round, droopy, plastic, main gun barrels on your kit with these sharp looking brass ones. Muzzles are bored for realistic look. Photo shows them mounted in the turret from the HobbyBoss USS Alaska. Shipping is free within the United States. If you are in any way dissatisfied with them please return them for a full refund.