Ibanez Locking Nut shims
Genuine Ibanez locking nut shims.
Installed under the locking nut to give the correct clearance above the first fret.
0.1mm, 0.3mm and 0.5mm thicknesses available
Unless your neck/nut are way out(usually not)...... buying 3 x 0.1mm and 1 x 0.3mm will sort most guitars.