This is a exact replacement for the Audio Technica ATS10, ATS10L and ATS12C stylus. It Is a 0.6 mil conical Diamond needle. The recommended tracking force is 2.5 grams. It was made for the Audio Technica AT10, ATVM8 and ATVM8U cartridge models. But it will also fit on the AT11 and AT11E Audio Technica models.