Features: Experience precise tuning with guitar knobs crafted from zincs alloy, ensuring accurate adjustments and solving slippage issues. Featuring a high precisions design for easy installation without tools, these bass knobs offer a comfortable grip and broad compatibility with various electric guitar and basses. Ideal for musicians, including beginners, professional players, and frequent instrument switchers who demand dependable gear for their creative pursuits. Perfect for scenarios like live performances, long rehearsals, or daily practice where quick tuning adjustments enhances playing efficiency and comfort. Elevates your instrument's visual appeal with the unique shell texture, adding a luxurious touch to stage setups and inspiring styles. Specifications: Materials: Zincs Alloy Color Optional: 3 Color are Available as Shown in the Picture. Package Weight: approx.50g Size: Mixed Size Package Includes: 2Pcs Guitar Knobs note: Please allow 1-2cm error due to manual measurement. Please 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. Thanks!