This is a pair of painted and complete metal waterline models of the Super Dolphin Class diesel electric powered submarine. Also known as the Dolphin 2. They have an Air Independent System enabling them to stay underwater for a very long time. 2400 tons Length 69m  beam 7m  Crew of 35. speed 25knots. Made in 1250 scale by CNCollectables. They are about 3 inches or 65mm in length.     ref S22 pair