The PS-9110-C0is a great option to replace or upgrade the saddle on your Martin Style acoustic guitar and a number of other guitar styles. It is fully compensated to help improve the playability of your guitar. The PS-9110-C0 is also available in a convenient 10 pack (LT-9110-10). Black TUSQ XL is designed to boost guitar tone and performance. This precision engineered saddle is made with a specially formulated material which couples the strings' vibrations to the neck and brings out the hidden harmonics and richness in every note. It is based on the highly resonant TUSQ man made ivory, but is impregnated with PTFE to improve the tuning performance of the guitar. Overview Specs Instructions Overview Specs Measure Length Width Height E to E inches 2.90" 0.107" 0.400" n/a mm 73.66 2.73 10.16 n/a Instructions