The extractor pin hole is actually tapered from the bottom. The pin should be driven in then the hole upset with a round punch. The earlier fix for extraction problems was 3 different extractors number 1 and number 3 were for tight and loose gauge number 2 was unnumbered and was for standard gauge. In the early years of mfg they could not drill the extractor pin hole in the same spot each time. I believe I still have a numbered extractor or two. I also have many parts for the 59's new old stock. Also have the plane and green extractor springs.