Locking Guitar Tuners 6 In-Line, 1:18 Ratio Sealed Machine Heads with String Lock and Finish, Stable Tuning Replacement for Electric/Acoustic Guitar Repair Setup, 6pcs Right Hand (501D5CSP 6R)

This product is a 6-piece in-line locking guitar tuner set built for replacement and upgrade workflows where buyers need more controlled string retention at the post and finer pitch adjustment. The core differentiation is the combination of locking string posts, sealed machine-head housings, and 1:18 ratio gearing in a finish hardware set. Marketplace listings in this class commonly describe these tuners as compatible with electric and acoustic guitars and frequently reference modern 10mm headstock holes, which makes pre-install measurement a key decision step.

• [Locking Post String Hold] Locking tuner posts help reduce extra string wraps at the post, supporting faster restringing and more stable pitch after bends and light vibrato use; designed for players replacing slipping or worn machine heads
• [1:18 Gear Control] 1:18 gear ratio supports finer pitch adjustment than lower-ratio tuners, helping setup accuracy during rehearsal, recording, and stage prep. Sealed machine head construction supports smoother turning and reduced dust entry
• [Hard-Parameter Summary] 6-piece in-line right-hand locking tuner set with finish, sealed housings, and 1:18 ratio gearing; commonly listed for modern 10mm headstock holes. Verify peg-hole size and mounting tab orientation before purchase
• [Scenario Coverage] Suitable for repair benches, upgrade builds, backup instrument maintenance, and string-change kits for electric or acoustic guitars; supports players, techs, and luthier workflows needing repeatable tuning hardware for frequent
• [QC + Fit Guidance] Check thread bushings, screws, and ferrules before installation; align all housings before tightening to reduce binding or misalignment. For compatibility questions, send headstock hole size and tuner layout through Amazon