Description: Features: brand new and high quality for Optimum coupling of record to turntable. Platter lowers noise floor significantly. Eliminates resonances and lowers distortion and end-of-side distortion. Provides pure signal retrieval. Gives realistic sound reproduction. Improves stereo for image and focussing. Separates instruments and groups of instruments. Less record wear as a lower downforce is possible. For music lover, analog fan and high-end adept. Gives improved signal when burning quality CDs from for LP. Velocimetry method: Above 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. If the rotational speed uniform and clearly visible, proved normal speed for 33 revolutions per minute (or so). If more obscure or connected into a line, that speed is not correct. Specification: Dimensions: As pictures shown.(approx) Top diameter: 65mm(2.56in) Bottom diameter: 78mm(3.07in) Hole shaft diameter: 7mm(0.28in) Color: Silver, Black Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch With retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x for LP Stabilizer(other accessories demo in the picture is not included.)