GOTOH® SD91 05M 6 Inline Left Handed Guitar Tuners. These vintage style beauties offer classic functionality. Featuring metal oval buttons they include all mounting screws and bushings. Kluson style design, they're perfect for vintage and reissue guitars. Rock on with ease and precision! Good to know they're a replacement tuner for Fender® part #099-2040-000 on Stratocaster® and Jazzmaster® guitars and can be used on right handed reverse headstocks.