Our JMF-B replacement neck for Jazz Bass® is “officially licensed by Fender®” and made to exacting quality standards in Japan. Offering a narrower nut width, more rounded neck profile, and deluxe aesthetics, the JMF-B has become a favorite for even the most accomplished artists. Featuring a bound fretboard, pearloid block inlays, and 20 Jumbo frets, our JMF-B offers a comfortable feel with a deluxe, high-end look!SpecificationsScale Length: 34"Neck Profile Shape: CFrets: 20 Jumbo frets (.108" x .045")Wood: 1-piece maple w/ bound fretboardFinish: Tinted polyurethaneFretboard Radius: Compound 7.25-10" Click here for more info!Inlays: White pearloid blocks with black side marker dots. Cream fretboard bindingNut Width: 1.5"Heel Width: 2.5"Heel Shape: Round Tuning Peg Holes: Vintage 2-step hole11/16" (17.46mm) bushing-hole diameter9/16" (14.28mm) post-hole diameterTruss Rod Adjustment Location: HeelNeck Thickness:0.92" at first fret1.01" at twelfth fretImportant NotesWood grain varies from neck to neck. Your neck may differ slightly from what is pictured.All necks have a limited lifetime warranty against defects in materials and workmanship.All necks may require fret leveling and polish. This is normal and not a defect.To protect against the effects of moisture, we recommend sealing unfinished necks prior to installation.This neck is licensed to Allparts Music Corporation by Fender ® Musical Instruments under a quality control trademark license. Allparts Music Corporation is not affiliated with Fender ® and no Fender ® warranty applies.