Scott,
as per your SW8416B(SW8416) G.looomis, loomis labeled that as an GL2 saltwater Rod Blank Length 7', line wt.12-20, Action fast, tip 5.5/64, Butt .545", Power Light... i persume the B is for black colored blank...as to who would have a new or used blank would be hard to seek...
anyhow contact Tom Kirkman editor of
web page
or head to
web page ...hope that is of some help!!