Key Features:

Locking string design helps make restringing faster and keeps the string more securely clamped.
21:1 gear ratio supports finer tuning adjustment.
3R+3L layout is designed for 3+3 headstock configurations.
Fits 10mm peg holes and uses screw-in hex head bushings.
6mm string post diameter supports strings up to 1.8mm.
Complete 6-piece tuner set with matching installation hardware included.

Specifications:

Type: Locking guitar tuners
Layout: 3R+3L
Gear Ratio: 21:1
Peg Hole Requirement: 10mm
Weight: 39.5g each / 237g per set
String Post Overall Height: 22mm
String Post Diameter: 6mm
Max. String Gauge: 1.8mm
Tuner Footprint: 27.5 x 23.5mm
Button Size: 23 x 17.4mm
Bushing Type: Screw-in hex head
Suitable For: 3+3 electric or acoustic guitars with modern 10mm tuner holes

Package Includes:

6 x Guitar machine heads
6 x Threaded bushings
6 x Mounting screws
6 x Ferrules

Fitment Note / Warm Reminder:

Important: Please confirm your guitar uses a 3R+3L / 3+3 tuner layout, 10mm headstock holes, and a compatible rear mounting pattern before ordering. Please compare the tuner footprint, post dimensions, and bushing style with your original tuners to ensure proper fit.

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Ready to Ship (US) | GK-07SP Lock String Guitar Machine Heads Tuners