["Description:\r\n\r\nFeatures:\r\nbrand new and high quality\r\nfor Optimum coupling of record to turntable.\r\nPlatter lowers noise floor significantly.\r\nEliminates resonances and lowers distortion and end-of-side distortion.\r\nProvides pure signal retrieval.\r\nGives realistic sound reproduction.\r\nImproves stereo for image and focussing.\r\nSeparates instruments and groups of instruments.\r\nLess record wear as a lower downforce is possible.\r\nFor music lover, analog fan and high-end adept.\r\nGives improved signal when burning quality CDs from for LP.\r\n\r\nVelocimetry method:\r\nAbove for LP Turntable tick is used to Velocimetry the, for LP Turntable marked 50-33 / 50-45, such as turn 33 for LP disc jukebox after turning up to see whether the tick marks 50-33 clearly visible. \r\nIf the rotational speed uniform and clearly visible, proved normal speed for 33 revolutions per minute (or so).\r\nIf more obscure or connected into a line, that speed is not correct.\r\n\r\nSpecification:\r\nDimensions: As pictures shown.(approx)\r\nTop diameter: 65mm(2.56in)\r\nBottom diameter: 78mm(3.07in)\r\nHole shaft diameter: 7mm(0.28in)\r\nColor: Silver, Black\r\nQuantity: 1 pc\r\n\r\nNote:\r\nTransition: 1cm=10mm=0.39inch\r\nWith retail package.\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 x for LP Stabilizer(other accessories demo in the picture is not included.)"]