 Re d 'Italia was a broadside ironclad , and she was armed with a main battery of six 72 @-@ pounder 8 in ( 200 mm ) guns and thirty @-@ two 164 mm ( 6 @.@ 5 in ) rifled muzzle @-@ loading guns . The ship was equipped with a spur @-@ shaped ram at the bow . The ship 's hull was sheathed with wrought iron armor that was 4 @.@ 75 in ( 121 mm ) thick . Her rudder and propellers , however , were not protected by her armor . 
