Want to Buy Looking for 6.5" x 8.5" film developing hangers and a Kodak hard rubber 8" x 10" developing tank

I need 6 film developing hangers for 6 1/2" x 8 1/2" film, an 8" x 10" Kodak hard rubber developing tank and would also be interested in 6 6 1/2" x 8 1/2" film sleeves to fit in Seneca View plate holders. I also need 2 8" x 10" film developing hangers. I am looking for the type of film hangers that enclose all 4 sides of the sheet, not the ones with clips.

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