The 3M Scotch AVX 60 Studio Master Cassette Tapes are professional-grade audio tapes designed for recording and preserving high-quality audio. With a capacity of 60 minutes per tape, these vintage cassette tapes come in a pack of 20 and are housed in standard jewel cases for easy storage and organization. Manufactured in 1993, these recordable tapes are ideal for capturing audio from radios, TVs, or other audio sources for archival purposes. The 3M brand is well-known for producing reliable and durable audio media, making these cassette tapes a trusted choice for audio recording needs.