IBM Clear Plastic Case for 11 1/2" x 1" Magnetic Data Reel for Decoration / ART / Display or the Collector of IBM # X209 This is for a plastic data reel holder from IBM.  It is about 11 1/2" across and 1" deep.   You open the case by twisting the IBM handle. (Inside is about 10 1/2" across)   This is a used case and shows a little wear with a few scuffs & scratches.  Overall in good condition.  Please see photos. 1960's, 1970's I have 3 of these for sale, see other listings. Shipping to the United States only.