Alvin T420-31/BX Indigo Fiberboard Tubes 31"; For storing and mailing anything that can be rolled, including charts, maps, blueprints, and posters; Includes tight slip caps and reinforced metal ends; Indigo paper wrap; 5.5" Internal Diameter; 31" length; 12 per box; UPC 88354997818 (T42031BX T42031-BX T42031BXINDIGO ALVINT42031BX ALVIN-T42031BX-INDIGO ALVIN-T42031-BX)

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