This is a premium quality cream or ivory coloured real carved cattle bone nut suitable to upgrade the standard plastic part on any Fender Precision Bass or other bass guitar with a 42mm (1 21/32" neck) nut standing 4.8mm high and 3.2mm thick with a slightly curved top and a curved bottom.This hard wearing carved and pre-grooved bone nut provides superb acoustic coupling between the strings and body of your guitar, for a tight, crisp sound.