Premium series is regular style SAAMI spec dies with a carbide expander button, available only for "A series" (popular/traditional) chamberings.
Type-S/Match set is bushing style sizing die/s with regular expander button, and available for most other cartridges (match rifles variants).
Both come with micrometer seating stem, and are available in 2 or 3 die sets (FL, neck, seater).