Genuine Floyd Rose German made 'R8' locking nut This is an original Floyd Rose German made locking nut, manufactured from hardened steel. R8: Width: 1.6875"/42.85 mm Several sizes are available, see the sizing chart
Radius: 10"/254 mm
Height at D: .225"/5.7 mm
E-E Center width: 1.4355"/36.45 mm
String Spacing: .2631"/6.70 mm