Gotoh SD91-05MA Tuners 6L N, Machine Head Set for Electric Guitar, Vintage F-style, Configuration: 6 Left, Semi-closed construction, Buttons: Butter Bean White Plastic, Gear ratio: 1:15, Shaft length (to string hole): 21.6 mm, Bore: 8.8 mm, Attachment: Screw, Screw tab angle: 90° and 180°, Surface finish: Nickel, Includes fastening screws and push-in sleeves for 8.8 mm holes, Made in Japan