Greenten wu9870 1Pc Modern and Vintage Electric Guitar Six String Nut Cattle Bone Slotted for Fender Strat Replacement 100% Brand New,Flat Bottom High quality(better than bone meal) sound and volume,Designed for modern and vintage electric guitars and found Size:42 X 3.5 mm(1.653 X 0.137 X 0.177/0.137 inch) Nut has pre cut string slots and requires very little experience to install. We have checked the product carefully,