The model 1205-00 is the perfect option to upgrade the nut on your 4-string Bass guitar.

Flat Bottom P Bass.

It is pre-slotted for a quick and straightforward installation.

Measurements   
Length: 1.653”  //  42.0mm
Thickness: 0.133”  //  3.4mm
Height: 0.238”  //  6.05mm
String Spacing: 1.265”  //  32.13mm