Blue quarter-inch leader tape.
 
These reels are limited in stock and are NOS B stock. Held on a 5" diameter reel, the length is complete and never used. However the length cannot be determined thus is classed as B stock and priced at 25% the price of new reels of this tape.
 
NOTE: Reel condition and lenghts can vary, but there is not less that three-quarters of a spool of leader tape on each reel