As I read, one needs to modify Lee mold handles to fit Lyman 4 holes molds..
Holes need to to be reamed out to 7/32" (problem)
Arms of the mold need to be .249" for thickness (no problem)
My problem is the holes, the holes are soooo close to the edge already and I don't want to ruin the handles..How do you expand the holes without ruining the handles? do you use a small round file?