Guyker 504A-SP CNC Aluminum Locking Guitar Tuning Machines 3R+3L

Key Features: CNC aluminum alloy housing offers a lightweight, durable, and corrosion-resistant tuner body Brass gear components provide reliable wear resistance and smooth tuning operation Locking tuner structure helps make restringing faster and keeps the string more securely clamped 3R+3L configuration fits guitar headstocks with a three-per-side tuner layout 1:21 gear ratio supports precise and controlled tuning adjustment Sealed construction helps protect the internal gear mechanism Available in Black and Silver finishes Specifications: Material: CNC Aluminum Alloy, Brass Gear Color: Black, Silver Array: 3R+3L Gear Ratio: 1:21 Peg Hole Requirement: 10 mm String Post Diameter: 6 mm Max. String Gauge: 1.8 mm String Thru Hole Center Height: 22.5 mm Bushing Type: Screw-in Hex Head Weight: 29 g per piece / 174 g per set Overall Length: 45.2 mm Body Height: 27.4 mm Body Width: 16 mm Button Length: 18.7 mm Mounting Tab Hole Diameter: 2.6 mm Mounting Style: Threaded bushing with single mounting tab Suitable For: Guitar with 3R+3L tuner layout Package Includes: 1 set of guitar tuning machines (3R+3L) Matching threaded bushings Matching washers Fitment Note / Warm Reminder: Suitable for guitars using a 3R+3L tuner layout Please verify your peg hole size, string post diameter, mounting tab position, and overall tuner dimensions before ordering For replacement projects, compare your original tuner measurements with the technical drawing to ensure proper fit