Function and purpose: A tonearm alignment tool used to adjust the tonearm direction and alignment to ensure the needle sits correctly in the groove for precise playback. Precision and mechanism: Uses a vertical track angle block to achieve accurate alignment between the tonearm and the turntable, ensuring proper needle placement for better performance. Benefits and performance: Improves tracking accuracy, delivers clearer sound, reduces distortion, and minimizes wear on records and the needle over time. Compatibility and fit: Designed for standard tonearm configurations common to many turntables, providing a straightforward alignment solution. Target users: Essential for music enthusiasts, from casual listeners to those performing recording work or setup tasks. Use scenario 1: Initial setup or realignment of a turntable after installation or transport. Use scenario 2: Regular playback to verify and maintain accurate needle placement when switching records or during routine maintenance. Use scenario 3: Recording, mastering, or critical listening workflows where precise alignment is required for faithful reproduction.