Vintage Large Scotch Aluminum 12 Computer /Reel to Reel Tape Recorder Reel Rare. Very cool unusual size Scotch aluminum tape recorder computer reel, measures 12″ across by 2″ wide for this size reel. Some scratches to the aluminum as you can see in the pictures but otherwise good. Plastic center insert has no issues. Please see pictures for condition and description. Thank you for looking!