Graph Tech, the worlds largest nut and saddle manufacturer on the market. High quality guitar parts like Tusq, String Saver Saddles, Ratio Tuners. For 37 years Graph Tech has created some of the worlds most recognized brands in the music industry by innovating and delivering products of the highest quality. With more than 50 patents and trademarks, the Graph Tech R&D team works to improve the playing experience while respecting the tradition of acoustic and electric instruments.