Les paul guitar bone nut pre cut 44mm fits gibson Quality bone nut Les paul pre cut. This nut is 44mm x 5mm x 9.3mm (1-3/4" X 3/16" X3/8") E to E center to center 36.5mm (1.44") This nut fits on a genuine and original gibson Les paul guitar These are an off white colour and are cut from bone material. That makes them harder than the more common plastic ones. This nut will improve sound quality and sustain.