The PQ-9110-00 is a great option to upgrade or replace the saddle on your Martin acoustic guitar. It is fully compensated to help improve the playability and tone of your guitar. TUSQ delivers a rich tone, crystal clear bell like high end with big open lows and a significant increase in harmonic content and harmonic sustain. Increase harmonics equals more richness and character in your tone. Its the difference between a four piece choir and a twelve piece choir singing every time your play a note. Dimensions: 73,66 x 2,62 x 10,16 mm.