Michigan DQX w cup Nibral 22L24 & 22R24 1.750 inch SAE model 357745X & 357744X. Set of 2 Michigan Wheel propellers.  Measured diameter 22 inch with cupping, left and right rotation.  1" 3/4 shaft size.  Props come with MRI certificate (see pics).  These retail new for $1933.77 a each. Props are without flaw, just inspected by Johnny's prop service and come with MRI certificate to show no imperfection.