The String Butler® V2 - Full Black/Stealth guitar tuner

Dietrich Parts String Butler V2 Full Black, Hardware to improve the tuning stability of electric and western guitars, Designed for guitars with 3L / 3R headstock tuners, Corrects the position of the A, D, G, B strings for a straight course through the saddle notches, thus preventing the guitar strings from getting stuck in the saddle, Makes affected instruments more tunable and sustain-rich overall, Keeps the tuning of the strings even with very intense guitar playing (also copes with extreme bends), Quick installation and residue-free disassembly, Version V2 with minimum hole spacing of 44 mm; maximum Hole spacing 58 mm, Not compatible with machine heads with impact sleeves / sockets, Colour: Black