Genuine Floyd Rose German made R4 locking nut, Black Nickel, Floyd Rose Part # FRNR4BNP
This is an original Floyd Rose German made locking nut, manufactured from hardened steel.
R4:
Width: 1.6875"/42.85 mm
Radius: 10"/254 mm
Height at D: .278"/7.10 mm
E-E Center width: 1.4355"/36.45 mm
String Spacing: .2631"/6.70 mm
Several sizes are available, see the chart. We stock most nuts in R2, R3 and R4.