This record turntable weight stabilizer features disc pressure to reduce vibration and improve sound quality. It can accurately balance the turntable, providing high-quality output. The aluminum alloy design is compact and lightweight for easy carrying and storage. The package includes one record turntable weight stabilizer. Please allow for 1-2cm errors due to manual measurement, and note that the actual color may vary from the picture. This product is manufactured by XINGLIDA in China and comes with guaranteed software updates.