SONY HF30 Cassette Tape, TYPE I (Normal) 30 minutes recording/playback, Normal bias. MADE in Japan Brand: SONY Model: HF30 Tape Type: TYPE I (Normal) Playback Time: 30 minutes (15 minutes x 2 sides) Bias: Normal EQ: 120μs This is a new, unopened item, but it has been stored by an individual, so the film has faded due to aging. Please check the photos. This is a set of 2 tapes. This product is from 1983. I think it's a pretty old product, so how about it as a collector's item? Please make your purchase at your own discretion.