The GraphTech Black TUSQ XL Slotted Nut is a great option to upgrade or replace the nut on your Ukulele.

It is pre-slotted so it will make for an easy install.

Length  1.404”  /  35.66mm 
Thickness  0.145”  /  3.68mm 
Height  0.302”  /  7.67mm 
String Spacing  1.136”  /  28.86mm