Set of 2 locking tuners designed for classical guitar headstocks. These replacment tuners improve tuning stability and simplify string changes while fitting standard classical guitar layouts. Key benefits Stable tuning: Locking mechanism secures the string to reduce slippage and maintain pitch during playing and transport. Faster restringing: Locking design lets you wind strings quickly with fewer wraps, saving time when changing strings. Smooth, precise tuning: Wellmachined gears provide consistent, accurate adjustments for reliable performance. Durable build: Metal construction and a protective finish resist wear from regular use for long service life. Simple upgrade or : Direct replacement for worn or damaged classical guitar tuners to restore function. Features and attributes Function: Locking tuners that clamp the string for enhanced stability and easier restringing. Compatibility: Designed for classical nylon string guitars and other instruments with standard classical tuner peg holes and spacing. Size: Standard replacement size for classical guitar headstocks; intended to match common classical peghole dimensions. Material and finish: Sturdy metal construction with a finish that resists everyday wear and provides smooth operation. Performance: Precise gear action and reliable locking reduce tuning drift and improve overall playability. Practical use scenarios : stripped or noisy tuners on a classical guitar to restore stable tuning and smooth operation. Upgrade: Install locking tuners to simplify string changes before a gig or recording session and to keep a classical guitar in tune longer under heavy playing. Home maintenance: Make restringing faster and neater during routine maintenance or when experimenting with different string sets. What is included Two locking guitar tuners, suitable for installation on a classical guitar headstock. Installation note Fits standard classical headstock peg holes and requires basic hand tools for installation. Verify peg hole diameter and post length match your instrument before installation. This set is a straightforward solution for improving tuning stability, speeding up restringing, and replacing worn tuners on classical guitars.