Have a 3 blade steel/chrome plated boat prop in like new condition..It measure about 14" diameter, right hand twist. Have no idea what the pitch is. It looks to be about a 15 spline shaft and 1" diameter and appears to be "cupped"....The "shaft" length is about 4 1/2"....NOT SURE what it fits. I an not a prop expert... Selling for a friend. My phone is a "landline" and doesn't work for texts,,sorry