350 Legend 3 Die Set by RCBS carries the 350 Legend 3 Die Set from RCBS. The 3-Die Set has a sizer die with decapping unit and an expander die and a seater die with crimp. Cases must be lubed prior to sizing. Shellholder sold separately. Does not feature a carbide sizing ring (cases must be lubed prior to sizing) 7/8"-14 Thread