Set of two high-quality Micarta (synthetic bone) pre-slotted string nuts for use on American Standard Jazz Bass and other U.S.- and Mexico-made basses with 9.5"-radius fingerboards. Pre-slotted with string location grooves for easy spacing and positioning when performing final slot filing. 9.5" (241mm) top radius, 7.25” (184mm) bottom radius,1.53" (38.86 mm) wide, .128" thickness. Note that some filing and shaping modifications may be required to ensure proper fit and performance. Brand New. Genuine Fender 0048649049. UPC 717669612115. Photo may not reflect current Fender packaging.