Dietrich Parts String Butler V2 BK

Dietrich Parts String Butler V2 BK, Hardware to improve the tuning stability of electric and steel-string guitars, Designed for guitars with 3L / 3R headstock machine head configuration, Corrects the position of the A, D, G, B string to corrects the angle of the strings as they pass through the nut, thus preventing the guitar strings from getting stuck, Greatly improves the tuning stability of your guitar and increases the sustain, Keeps the tuning of the strings even during very intense guitar playing (also copes with extreme Bendings), Fast and easy installation, Version V2 with minimum post distance 44 mm / maximum post distance 58 mm, Colour: Black@+*Note:* not compatible with machine heads with bushings