Product Description:
Applicable: The bass nut is suitable as replacement part for 4 string electric bass guitar nut
Dimensions: 38mm (1.51") × 5.9mm (0.23") × 7mm (0.28")
String spacing: 29.1mm (1.14") ;
Base plate thickness: 1.2mm (0.04")
Material: Brass.

Package includes:
1x brass nut
1x base plate
1x hex wrench