and high qualityErgonomic shape,easy to handleReduces resonance and vibration; stabilizing rotational speed so that you could enjoy better sound qualityBottom material which connected to the turntables:exquisite pure leather, strong glued and will never be openedMetal construction and exquisite finish makes it exceptionally durableUsage:used to adjust the LP vinyl record player, CD player, chassis, speakers, etc:1PcColour:BlackMaterial:MetalSize:Disc surface stabilizer diameter:80mm/3.15inch(.)Hand- part diameter:30mm/1.34inch(.)Package Contents:1 * Disc StabilizerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.