This precut and slotted electric bass nut is compatible with Fender Jazz Bass guitar (wide.) It saves you time and effort by eliminating the need to shape and cut the nut yourself, and it provides all the wonderful tone characteristics of a real bone nut. You may need to slightly sand and deepen the slots and polish for a perfect fit! Dimensions: Nut Width = 1 37/64 in. (40mm) Thickness = 9/64 in. (3.5mm) Height at center = 7/32 in. (5.4mm) String spacing = 1 11/32 (34.3mm)