RTM SM900 1/4" x 2500 Feet Audio Tape on NAB Metal Reel
SM900 1/4" x 2500 feet audio reel-to-reel tape on a NAB metal reel
SM900 1/4" x 2500 feet audio reel-to-reel tape on a NAB metal reel
LPR35 long-play 1/4" x 3600 feet audio reel-to-reel tape on a metal reel with a hinged box