The product is a new Dataproducts Lift Off Tape Cartridge model R5110. This genuine/original cartridge is specifically compatible with IBM 5, 5223, 6746, 6747, 6779, 6781, 6783, 6784, 6785, 6787, 6788, Easystrike, Wheelwriter, Wheelwriter II, Wheelwriter 3, Wheelwriter 5, Wheelwriter 70. Also compatible with Lexmark Wheelwriter 15, 30, 70 (series II).