Check the listing for details. Graph Tech Tusq PQ-1578-00 slotted nut 12 string 3/16" width NEW. Condition: New. Listed at 12.77 USD. The PQ-1578-00 is a great option to upgrade or replace the nut on your 12 string guitar. It is 3/16" thick and is pre-slotted to make for a quick and simple 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. Measure Length Width Height E to E inches 1.897" 0.195" 0.325" 1.630" inches 1 29/32" 3/16" 5/16" 1 5/8" millimeters 48.18mm 4.95mm 8.25mm 41.40mm 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. Buy with confidence from SportHiTech, an authorized Graph Tech Dealer. All products carry full factory warranty. Don't forget to visit our eBay Store: sporthitech