This is an open reel tape from Magnex, a metal reel. It's a used tape, and it probably hasn't been erased. It was used for air checks and recording records up to about 30 years ago. The tape is old, so its functionality is not guaranteed. Please understand that this is a used item. [Specifications/Size] - Material: Polyester base - Thickness: 50 microns - Length: 2500 feet (762m) - Playback time: 120 minutes (both directions) - Tape width: 1/4 inch (6.35mm) - Reel diameter: 267mm Thank you for looking.