Features: Engineered for tremolo systems, this precisions guitar tuning tool ensures accurate intonation adjustments with its double locking bridge compatibility, eliminating common tuning frustrations. Crafted from high strength zinc alloy, its durable construction outperforms plastic alternatives by 3x while maintaining a compact 10cm x 5cm profile for easy portability. Ideal for musicians, studio artists, and hobbyists who demand quick on stage or studio tuning without compromising reliability. Perfect for live performances, studio recordings, and practice where rapid 30 second intonation fine tuning is critical. Universally compatible with double locking tremolo instruments, this tool streamlines setup workflows across electric guitars and other equipped stringed instruments. Specifications: Material: Zinc alloy Size: As shown Package Includes: 1x Electric Guitar Double Rock Bridge Sound Tool note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.