Item Type: Record Turntable Adapter Material: All AluminumDiameter: Approx. 38mm/1.5inHeight: Approx. 8mm/0.3inPackage List1 x Record Turntable Adapter1It is made by high quality material of aluminum, so it is durable, safe and has a prolonged service life. 2It can minimize the eccentricity of the big hole record and makes the big hole record turn more stable. 3With the record turntable adapter, the work of the tone arm (pickup arm) is more stable, and the pitch swing is reduced. 4The advantages of the record turntable adapter ensure that the big hole record can be played smoothly and high sound quality. 5The record turntable adapter has wide compatibility and is suitable for most large-hole records.