Record Weight Stabilizer 50Hz Bubble Level Speed Detection Turntable LP Disc Stabilizer Clamp for Vinyl Record Player Record stabilizer is designed to hold a record firmly on the turntable, eliminate vibration and improve the sound quality. With 50Hz high precision bubble level to show you the rotation speed of the LP disc, it's more practical e. A perfect gift for enthusiasts! Features: Made of aluminum alloy, sturdy and durable, lightweight and easy to carry, effectively filtering harmful vibration. With non-slip cotton mat in the bottom, reducing the vibration when playing a record, as well as protecting your favorite record. Built-in 50Hz high precision bubble level, show you the rotation speed of the LP disc. Helpful in stabilizing rotational speed and maintaining horizontal level. Fits for most of existing LP turntable of which the spindle diameter is 7mm. Applicable to LP record player, gramophone, stereo  record player, etc. Retro color and elegant appearance, bringing a sense of peace, ease and leisure. Wonderful gift choice for family members, friends, lovers, etc. Note: Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding. Specifications: Color: Silver/ Rose Gold/ Glossy Black (Optional) Material: Aluminum Alloy Compatible Spindle Diameter: 7mm Item Size: 76 * 34mm / 2.99 * 1.34in (Dia. * H) Item Weight: 278g / 9.81oz Package Size: 8 * 8 * 4cm / 3.15 * 3.15 * 1.57in Package Weight: 300g / 10.58oz Package List: 1 * Record Stabilizer