The PQ-6200-00 is the perfect option to replace and upgrade the nut on your classical guitar. It is pre-slotted to make for a quick and easy install. 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. Consistent quality Increased harmonic content Ivory white in color Precision slotted Measure Length Width Height E to E inches 2.080" 0.235" 0.409" 1.697" inches 2 3/32" 1/4" 13/32" 1 11/16" millimeters 52.83mm 5.97mm 10.39mm 43.10mm Note: All Graph Tech nuts and saddles are slightly long and wide to ensure extra room to achieve a perfect fit for your guitar. This extra material can easily be removed with fine grit sandpaper.Click here for the installation instructions and click here for 'how to measure your nut'