Pre-slotted Bone Nut - Gibson&reg; Neck - 43 X 5 X 9 This Gibson replacement nut is precut and slotted to make your replacement faster and easier compared to having to spend the time shaping and cutting yourself plus give you all the great benefits of tone that a true bone nut offers. Check out the sizes available and put your repair in the fast lane! Instrument type designed to replace = Gibson guitars Nut Width = 1 11/16 in. (43mm) Thickness = 13/64 in. (5mm) Height at center = 23/64 in. (9mm)