The model 1234-00 is a great option to upgrade or replace the nut on your Ukulele
It is available in TUSQ and NuBone XB formulations.
Measurements
Length: 1.381” / 35.08mm
Width: 0.196” / 4.98mm
Height: 0.236” / 6.0mm
String Spacing: 1.071” / 27.2mm