White Mylar Leader Tape 14CMLT 1/4'' x 820' For use at the end of Reel to Reel recording tape. Color is white with Black or White HUb For use at the beginning of Reel to Reel recording tape. Use for separation of recorded tracks of Reel to Reel recording tape. Mylar Leader 1/4" for Reel to Reel recording tape