Features: 1. This Vinyl record clamp is made of Professional CNC lathe, aviation aluminum-magnesium alloy manufacturing and is durable. 2. Keep the disc from shaking to reduce vibration. 3. Improve the sound quality of the record. 4. Fine workmanship, no damage to Vinyl Record. 5. Lightweight discs, spring shock absorbers, low dust cover. With pressing, clamping shaft function. 6. Lowers Noise Floor Significant, provides Pure Signal Retrieval, gives Realistic Sound Reproduction. 7. Gives Improved Signal when Burning Quality CDs from LPs. 8. It is used for resonance vibration, stabilizing rotational speed. 9.Improves Stereo for Image and Focussing, Stabilizes Sound for Image. Specifications: Material: aluminum+Level instrument Specification: size: Height 33MM, The lower appearance diameter is 71MM, Upper appearance diameter 50MM Net weight: 125G Note: Transition: 1cm=10mm=0.39inch 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 Record Stabilizer