Pro-Ject Record Puck Pro Optimised Playback of Your Records. Manufacturers Details: This Record Puck PRO ensures a firm fit between the record and the turntable. Record pucks use weight to secure a recorded record against the turntable. This improves the sound performance of the turntable in terms of timing and sound depth. Engineered With Care: The nickel finish results in a hard, resistant surface. This process enables us to produce very high-quality and sustainable components and avoid plastics and similar materials that continue to age over time. Key Features: Ensures a firm fit of the record Reduces unwanted vibrations Optimizes playback of warped records Nickel-plated aluminium finish Felt mat on the underside to protect the label Sound improvement for all turntables