Gotoh SD510 MG Locking Tuner 3L/3R N; SD510-MG-SL-N; Set of Locking Tuners for Electric Guitar; Deluxe Vintage G-Style; Gotoh MG (Magnum) Locking system, self locking by string tension, smaller string holes on 1st, 2nd and 3rd tuner improve tuning stability; Brass shaft (compared to steel on SD-90 series); includes Gotoh C-A-R-D system for better vibration transmission, enhances sustain and overtones and protects the headstock finish; thicker base plate compared to SD90; Mechanism with Lubri-Plate coating for smoother axle running; Gotoh 510 engraving on the back; 6 pieces; Configuration: 3 Left/3 Right; Construction: Half-Closed Type; Buttons: Keystone Single Ring; Gear Ratio: 1:15; Shaft Length (to string hole): 20 mm (0,79"); Bore: 8,8 mm (0,35"); Mount: Screws; Included: Mounting Screws & Press Fit Bushings; Finish: Nickel; Made in Japan