This series of pears is a little curious. Two culets and a keel between them, in-line from the center of the big end towards the point of the pear.
Because of this keel a standard cone dop wouldn’t work. I ended up going to Ace and getting a length of 1/4″ brass rod and making a cone dop 3.85mm (for the 4mm widthd) and then using a jeweler’s triangular file, cut a v-shaped notch. Notch ended up bigger and deeper than I thought but it fits right. Using epoxy now. We’ll see.