Originally Posted by JohnBuckner

I have used a number of them in the past and they have some advantages first and formost is the capture ring type back plate and the plastic is thicker than that from some others. One down side is usually depending on your prop size normally some custom grinding will be necessary in most sizes. And of course sooner or later most folks are going to burn a ring regardless off the starter insert especially if the airplane is an inverted installation.

John