Classic Motorola / National Service Tube Case – Vintage Tech Caddy – Non-Metal Construction. This listing is for a vintage Motorola / National radio service tube caddy, constructed of original heavy-duty fiberboard/cardboard with reinforced corners. These cases were used by radio and communications technicians to carry vacuum tubes and service tools out in the field. Material: Thick reinforced fiberboard (not metal). Exterior: Textured finish with Motorola or National branding (please confirm exact logo). Interior: Includes [insert if applicable - removable tray, dividers, or compartments]. Handle: Original vinyl or leatherette-style top handle. Closures: Two functional latches (please note if worn or rusty). Condition: Shows expected vintage wear – some scuffs, edge wear, and fading, but structurally solid and well-preserved for its age. Hinges and latches work. Interior may have original layout for vacuum tubes (if applicable). A great piece of vintage radio repair history. These non-metal tech caddies are getting harder to find – perfect for display, tube storage, or restoration of your service setup.