TDK / Maxell / Sony - Blank Cassettes - Metal / Chrome / Normal Position NM
TDK D90 Normal Position IECI/Type I Older Style. TDK D90 Normal Position IECI/Type I Newer Style. TDK SA90 High Position IECII/Type II. Maxell UR90 Position IEC Type I/Normal. Maxell XL-II 90 Music High Bias Position IEC Type II/CRO2.