Brand new and high quality . Colour: Silver, Gold(Optional). Lowers Noise Floor Significant. Gives Realistic Sound Reproduction. Gives Improved Signal when Burning Quality CDs from LPs. Parameters: Material: Pure Copper,Hight quality copper Material . Surface treatment: gold-plated Diameter: 80 mm / 3.14 in Height: 30 mm / 1.18 in Shaft hole diameter: 7 mm / 0.28 in Net Weight: 320 g / 0.7 lb Color : Silver or Gold. Feature: Made of high-quality copper, durable to use. This is a great record stabilizer for LP record player, which will efficiently keep the disc from shaking and reducing vibration with stabilizing rotational speed. Perfect for maintaining stability, and improving acoustic quality.