Graph Tech Nubone Compensated Acoustic Guitar Saddle Luthier Kit - 10 Pack Graph Tech"s unique formula is constructed to transfer the right frequencies more efficiently from the string to the musical instrument and has been proven to increase the harmonic sustain. Stringed instruments come alive with delicate highs and big open lows! Shaped for an easy install. Compensated to improve sound and performance.Product SpecsAcoustic Guitar Saddle Thickness: 3.17 mm (1/8")Acoustic Guitar Saddle Length: 73.03mm (2 7/8")Acoustic Guitar Saddle Height: 11.11mm (7/16")Acoustic Guitar Saddle Height: 11.11mm (7/16")