ATR Magnetics Master Tape 1/4"" NAB Reel, Master Tape, NAB reel, High-quality magnetic tape for studio and mastering, Tape width: 1/4"" (6,4 mm), Length: 762 m (2500 ft.), Reel size: 10.5 - 26.67 cm, Reel: NAB, Reel material: Aluminium