KAISH Stainless Steel Guitar Nut Electric Guitar Roller Nut for ST electric guitars

Premium roller nut assembly made of stainless steel reduces friction that can cause tuning instability. For use on American Deluxe guitars with HSS pickup configuration; also fits older Strat Plus models with included aluminum Wilkinson adapter. String Spacing 1-3/8"" (35mm); Length 1-11/16""(43mm); Thickness 7/32""(5.7mm); For string gauges from .008 to .056.. Precision crafted roller nut of the finest quality. Max string gauge per string - E .013, A .017, D .026, G .036, B .046, E .056. The roller under each string eliminates the friction of the notch style string nut, and the string returns to pitch effortlessly when you release it; Mounting hardware, shims and Wilkinson adapter are included. Important Note: Modification may be required for correct installation. This nut is not adjustable, the installation requires precise measurements and specialized tools. Please contact a luthier to install it corretly