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 43mm nut standing 5.5mm to 6.5mm high and 3.5mm thick with a slightly angled top and a flat 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.