Three stainless steel propeller shafts Make an offer on one or all 1 - 1.37 in diameter x 16ft 5 in length 1 - 1.38 in diameter x 73.5 in length 1 - 1.375 in diameter x 92.5 in length All tapered/threaded on one end. Keyways cut into two of them. Diameters measured with a caliper