Set of four Genuine Fender vintage style nickel headstock bushings for Precision Bass, Jazz Bass, etc. Exactly the same 'press fit' splined bushings used on USA Vintage Series Precision Basses, Jazz Basses, etc. These measure .876" diameter at the top lip, .743" diameter at the bottom splined end that press fits into the headstock, inside diameter .564", overall height .419". Don't even think about drilling out a headstock for these unless you're an ace at machining wood. Best installed by boring an undersize pilot hole and then opening up gradually to final size with a tapered cello peghead reamer. Brand New. Genuine Fender 0019509049. UPC 717669612122.