- Precise 4-String Tuning: Our high-ratio open-gear design (20:1) ensures smooth and accurate tuning stability for bass guitars, allowing you to hit the right notes every time. - Universal Bass Compatibility: Designed to fit most 4-string electric bass guitars with standard headstock mounting holes, making it an ideal choice for a wide range of instruments. - Durable Metal Construction: Crafted from robust zinc alloy, the housing and gears offer long-lasting performance and corrosion resistance, ensuring your tuning machines withstand the test of time. - Complete Left/Right Sets: Available in matching pairs (left + right) in stylish Silver, Black, or Gold finishes, allowing you to customize your bass guitar's look while maintaining functionality. Use Scenarios: 1. Live Performances: Count on our tuning machines to keep your bass in tune, even during high-energy gigs, giving you confidence on stage. 2. Studio Recording: Achieve precise tuning for studio sessions, ensuring your bass tracks sound professional and polished. 3. Everyday Practice: Enhance your practice sessions with dependable tuning stability, allowing you to focus on improving your skills without constantly retuning. Experience the difference in performance and reliability with our premium bass guitar tuning machines, designed for musicians who demand the best.