Dietrich Parts String Butler V4 FBK Oversized

Dietrich Parts String Butler V4 FBK Oversized, Hardware to Improve the Tuning Stability of E- and Western Guitars, Designed for guitars with 3L/3R tuners on oversized headstock, Corrects the position of the E, A, D, G, B, E strings to a straight line through the saddle notches and thus prevents the guitar strings from getting stuck in the saddle, Makes affected instruments more tunable and sustain-rich overall, Maintains the tuning of the strings even with very intensive guitar playing (can also withstand extreme bending), Fast and residue-free assembly, Version V4 with minimum hole spacing 57 mm / maximum hole spacing 78 mm, Not compatible with tuners with impact sockets / push-in sockets, Colour: Completely black