Ideal for Nut Slots, Bridge, Saddle, String Guides and Any Moving Parts Helps you Stay in Tune Reduces String Breakage Reduces Friction & Wear Eliminates "Ping" Sounds Petroleum & Silicone Free Small Fine Tip Applicator Included to apply TUNE-IT in any hard to reach or tight areas Odorless & Non-Staining Non Melting, Water & Steam Resistant Protects against Rust & Corrosion Low Coefficient of Friction Specially designed Syringe like Orifice Distributes Gel Evenly and Finite Perfect for Guitar, Bass, Mandolin, Banjo, Ukulele