Reconditioned Prop. Force (Mercury) OEM # P685-1, 13-1/2 X 17P. Same as Michigan 072128. Sells for over $250.00 as a new prop. Fits 85-150HP Force outboards 1988-1994 vintage. 15 tooth spline, 3 blade aluminum, pressed in rubber hub. Customer did not pick up. He was using it on an old Mercury outboard. $125.00 firm. show contact info