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 nut standing 4mm to 5mm high and approx 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.