This needle is compatible with the following models: Innovative Technology ITRR-501, ITRRS-300, ITVS-750, ITVS-550, ITVS-760B, ITUT-201SVR, ITUT-400. 0.7 mil Diamond conical tip needle, 16 or 33 or 45rpm NOT for 78rpm, 1.0 – 3.0 grams tracking pressure.