Mixers & Multi Track Recorders
ATR Magnetics Master Tape 1/4" Plastic Reel
ATR Magnetics Master Tape 1/4" Plastic Reel, Magnetic Tape for Studio and Mastering, Length: 381 m (1250 feet), Bandwidth: 6.4 mm (1/4"), Reel size: 17.78 cm (7"), Reel: Trident
https://www.bizrate.co.uk/mixers_multitrackrecorders/atr-magnetics-master-tape-1-4-oid9669807581.html