They are Lee molds, it might help to give the number on the side of the ally bits.
They come in different sizes .454 are good for Remmington Colt and Rogers, I think .457 is more popular for rugers.
Details of part no's can be found here.
http://www.factorysales.com/cgi/cata.../blackpow.html
“If a cricketer, for instance, suddenly decided to go into a school and batter a lot of people to death with a cricket bat, which he could do very easily, I mean, are you going to ban cricket bats?” :- Prince Philip said after Dunblane